Home / 22,874,428.81-31,565,773.36-12,420,038.91

Finding the Fourth Proportional to 22,874,428.81, 31,565,773.36 and 12,420,038.91

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Solution

The fourth proportional to 22,874,428.81, 31,565,773.36 and 12,420,038.91 is: 17,139,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,874,428.81 : 31,565,773.36 = 12,420,038.91 : x
  2. Step 2: Convert to fraction form
    22,874,428.81/31,565,773.36 = 12,420,038.91/x
  3. Step 3: Cross multiply
    22,874,428.81x = 31,565,773.36 × 12,420,038.91
  4. Step 4: Simplify right side
    22,874,428.81x = 392,048,133,419,475.44
  5. Step 5: Solve for x
    x = 392,048,133,419,475.44/22,874,428.81
  6. Step 6: Final answer
    x = 17,139,144.18

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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.