Home / 48,385,772.20-72,578,658.30-12,483,980.20

Finding the Fourth Proportional to 48,385,772.20, 72,578,658.30 and 12,483,980.20

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Solution

The fourth proportional to 48,385,772.20, 72,578,658.30 and 12,483,980.20 is: 18,725,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,772.20 : 72,578,658.30 = 12,483,980.20 : x
  2. Step 2: Convert to fraction form
    48,385,772.20/72,578,658.30 = 12,483,980.20/x
  3. Step 3: Cross multiply
    48,385,772.20x = 72,578,658.30 × 12,483,980.20
  4. Step 4: Simplify right side
    48,385,772.20x = 906,070,533,159,765.62
  5. Step 5: Solve for x
    x = 906,070,533,159,765.62/48,385,772.20
  6. Step 6: Final answer
    x = 18,725,970.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.