Home / 48,385,339.80-72,578,009.70-12,483,547.80

Finding the Fourth Proportional to 48,385,339.80, 72,578,009.70 and 12,483,547.80

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Solution

The fourth proportional to 48,385,339.80, 72,578,009.70 and 12,483,547.80 is: 18,725,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,339.80 : 72,578,009.70 = 12,483,547.80 : x
  2. Step 2: Convert to fraction form
    48,385,339.80/72,578,009.70 = 12,483,547.80/x
  3. Step 3: Cross multiply
    48,385,339.80x = 72,578,009.70 × 12,483,547.80
  4. Step 4: Simplify right side
    48,385,339.80x = 906,031,053,318,813.75
  5. Step 5: Solve for x
    x = 906,031,053,318,813.75/48,385,339.80
  6. Step 6: Final answer
    x = 18,725,321.70

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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.