Home / 12,643,302.69-17,447,810.90-6,842,084.71

Finding the Fourth Proportional to 12,643,302.69, 17,447,810.90 and 6,842,084.71

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Solution

The fourth proportional to 12,643,302.69, 17,447,810.90 and 6,842,084.71 is: 9,442,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,302.69 : 17,447,810.90 = 6,842,084.71 : x
  2. Step 2: Convert to fraction form
    12,643,302.69/17,447,810.90 = 6,842,084.71/x
  3. Step 3: Cross multiply
    12,643,302.69x = 17,447,810.90 × 6,842,084.71
  4. Step 4: Simplify right side
    12,643,302.69x = 119,379,400,147,650.91
  5. Step 5: Solve for x
    x = 119,379,400,147,650.91/12,643,302.69
  6. Step 6: Final answer
    x = 9,442,105.68

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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.