Home / 22,688,141.59-31,312,282.40-12,900,052.38

Finding the Fourth Proportional to 22,688,141.59, 31,312,282.40 and 12,900,052.38

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Solution

The fourth proportional to 22,688,141.59, 31,312,282.40 and 12,900,052.38 is: 17,803,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,688,141.59 : 31,312,282.40 = 12,900,052.38 : x
  2. Step 2: Convert to fraction form
    22,688,141.59/31,312,282.40 = 12,900,052.38/x
  3. Step 3: Cross multiply
    22,688,141.59x = 31,312,282.40 × 12,900,052.38
  4. Step 4: Simplify right side
    22,688,141.59x = 403,930,083,097,352.12
  5. Step 5: Solve for x
    x = 403,930,083,097,352.12/22,688,141.59
  6. Step 6: Final answer
    x = 17,803,577.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.