Home / 25,920,688.66-38,881,020.42-7,724,419.36

Finding the Fourth Proportional to 25,920,688.66, 38,881,020.42 and 7,724,419.36

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Solution

The fourth proportional to 25,920,688.66, 38,881,020.42 and 7,724,419.36 is: 11,586,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,688.66 : 38,881,020.42 = 7,724,419.36 : x
  2. Step 2: Convert to fraction form
    25,920,688.66/38,881,020.42 = 7,724,419.36/x
  3. Step 3: Cross multiply
    25,920,688.66x = 38,881,020.42 × 7,724,419.36
  4. Step 4: Simplify right side
    25,920,688.66x = 300,333,306,868,803.38
  5. Step 5: Solve for x
    x = 300,333,306,868,803.38/25,920,688.66
  6. Step 6: Final answer
    x = 11,586,625.29

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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.