Home / 16,864,639.31-23,273,209.76-9,129,681.38

Finding the Fourth Proportional to 16,864,639.31, 23,273,209.76 and 9,129,681.38

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Solution

The fourth proportional to 16,864,639.31, 23,273,209.76 and 9,129,681.38 is: 12,598,964.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864,639.31 : 23,273,209.76 = 9,129,681.38 : x
  2. Step 2: Convert to fraction form
    16,864,639.31/23,273,209.76 = 9,129,681.38/x
  3. Step 3: Cross multiply
    16,864,639.31x = 23,273,209.76 × 9,129,681.38
  4. Step 4: Simplify right side
    16,864,639.31x = 212,476,989,636,691.81
  5. Step 5: Solve for x
    x = 212,476,989,636,691.81/16,864,639.31
  6. Step 6: Final answer
    x = 12,598,964.37

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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.