Home / 7,145,502.31-10,712,829.70-3,683,511.38

Finding the Fourth Proportional to 7,145,502.31, 10,712,829.70 and 3,683,511.38

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Solution

The fourth proportional to 7,145,502.31, 10,712,829.70 and 3,683,511.38 is: 5,522,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,502.31 : 10,712,829.70 = 3,683,511.38 : x
  2. Step 2: Convert to fraction form
    7,145,502.31/10,712,829.70 = 3,683,511.38/x
  3. Step 3: Cross multiply
    7,145,502.31x = 10,712,829.70 × 3,683,511.38
  4. Step 4: Simplify right side
    7,145,502.31x = 39,460,830,111,951.98
  5. Step 5: Solve for x
    x = 39,460,830,111,951.98/7,145,502.31
  6. Step 6: Final answer
    x = 5,522,471.12

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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.