Home / 10,007,303.76-13,802,781.12-6,336,817.92

Finding the Fourth Proportional to 10,007,303.76, 13,802,781.12 and 6,336,817.92

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Solution

The fourth proportional to 10,007,303.76, 13,802,781.12 and 6,336,817.92 is: 8,740,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007,303.76 : 13,802,781.12 = 6,336,817.92 : x
  2. Step 2: Convert to fraction form
    10,007,303.76/13,802,781.12 = 6,336,817.92/x
  3. Step 3: Cross multiply
    10,007,303.76x = 13,802,781.12 × 6,336,817.92
  4. Step 4: Simplify right side
    10,007,303.76x = 87,465,710,747,053.67
  5. Step 5: Solve for x
    x = 87,465,710,747,053.67/10,007,303.76
  6. Step 6: Final answer
    x = 8,740,187.45

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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.