Home / 10,931,855.70-16,404,781.95-6,382,895.70

Finding the Fourth Proportional to 10,931,855.70, 16,404,781.95 and 6,382,895.70

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Solution

The fourth proportional to 10,931,855.70, 16,404,781.95 and 6,382,895.70 is: 9,578,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,855.70 : 16,404,781.95 = 6,382,895.70 : x
  2. Step 2: Convert to fraction form
    10,931,855.70/16,404,781.95 = 6,382,895.70/x
  3. Step 3: Cross multiply
    10,931,855.70x = 16,404,781.95 × 6,382,895.70
  4. Step 4: Simplify right side
    10,931,855.70x = 104,710,012,168,092.61
  5. Step 5: Solve for x
    x = 104,710,012,168,092.61/10,931,855.70
  6. Step 6: Final answer
    x = 9,578,429.78

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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.