Home / 12,097,444.20-18,146,166.30-7,792,772.10

Finding the Fourth Proportional to 12,097,444.20, 18,146,166.30 and 7,792,772.10

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Solution

The fourth proportional to 12,097,444.20, 18,146,166.30 and 7,792,772.10 is: 11,689,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,444.20 : 18,146,166.30 = 7,792,772.10 : x
  2. Step 2: Convert to fraction form
    12,097,444.20/18,146,166.30 = 7,792,772.10/x
  3. Step 3: Cross multiply
    12,097,444.20x = 18,146,166.30 × 7,792,772.10
  4. Step 4: Simplify right side
    12,097,444.20x = 141,408,938,464,600.22
  5. Step 5: Solve for x
    x = 141,408,938,464,600.22/12,097,444.20
  6. Step 6: Final answer
    x = 11,689,158.15

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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.