Home / 12,643,345-17,447,668.50-6,841,992.52

Finding the Fourth Proportional to 12,643,345, 17,447,668.50 and 6,841,992.52

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Solution

The fourth proportional to 12,643,345, 17,447,668.50 and 6,841,992.52 is: 9,441,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,345 : 17,447,668.50 = 6,841,992.52 : x
  2. Step 2: Convert to fraction form
    12,643,345/17,447,668.50 = 6,841,992.52/x
  3. Step 3: Cross multiply
    12,643,345x = 17,447,668.50 × 6,841,992.52
  4. Step 4: Simplify right side
    12,643,345x = 119,376,817,368,439.61
  5. Step 5: Solve for x
    x = 119,376,817,368,439.61/12,643,345
  6. Step 6: Final answer
    x = 9,441,869.80

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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.