Home / 12,643,036.74-17,447,390.15-6,841,818.66

Finding the Fourth Proportional to 12,643,036.74, 17,447,390.15 and 6,841,818.66

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Solution

The fourth proportional to 12,643,036.74, 17,447,390.15 and 6,841,818.66 is: 9,441,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,036.74 : 17,447,390.15 = 6,841,818.66 : x
  2. Step 2: Convert to fraction form
    12,643,036.74/17,447,390.15 = 6,841,818.66/x
  3. Step 3: Cross multiply
    12,643,036.74x = 17,447,390.15 × 6,841,818.66
  4. Step 4: Simplify right side
    12,643,036.74x = 119,371,879,527,788.83
  5. Step 5: Solve for x
    x = 119,371,879,527,788.83/12,643,036.74
  6. Step 6: Final answer
    x = 9,441,709.45

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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.