Home / 12,528,065.70-18,792,098.55-10,288,577.70

Finding the Fourth Proportional to 12,528,065.70, 18,792,098.55 and 10,288,577.70

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Solution

The fourth proportional to 12,528,065.70, 18,792,098.55 and 10,288,577.70 is: 15,432,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,065.70 : 18,792,098.55 = 10,288,577.70 : x
  2. Step 2: Convert to fraction form
    12,528,065.70/18,792,098.55 = 10,288,577.70/x
  3. Step 3: Cross multiply
    12,528,065.70x = 18,792,098.55 × 10,288,577.70
  4. Step 4: Simplify right side
    12,528,065.70x = 193,343,966,077,732.34
  5. Step 5: Solve for x
    x = 193,343,966,077,732.34/12,528,065.70
  6. Step 6: Final answer
    x = 15,432,866.55

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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.