Home / 28,564,114.92-39,445,381.71-19,886,016.90

Finding the Fourth Proportional to 28,564,114.92, 39,445,381.71 and 19,886,016.90

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Solution

The fourth proportional to 28,564,114.92, 39,445,381.71 and 19,886,016.90 is: 27,461,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564,114.92 : 39,445,381.71 = 19,886,016.90 : x
  2. Step 2: Convert to fraction form
    28,564,114.92/39,445,381.71 = 19,886,016.90/x
  3. Step 3: Cross multiply
    28,564,114.92x = 39,445,381.71 × 19,886,016.90
  4. Step 4: Simplify right side
    28,564,114.92x = 784,411,527,312,010.88
  5. Step 5: Solve for x
    x = 784,411,527,312,010.88/28,564,114.92
  6. Step 6: Final answer
    x = 27,461,432.97

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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.