Home / 6,513,985.80-9,766,254.78-4,378,773.96

Finding the Fourth Proportional to 6,513,985.80, 9,766,254.78 and 4,378,773.96

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Solution

The fourth proportional to 6,513,985.80, 9,766,254.78 and 4,378,773.96 is: 6,564,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,985.80 : 9,766,254.78 = 4,378,773.96 : x
  2. Step 2: Convert to fraction form
    6,513,985.80/9,766,254.78 = 4,378,773.96/x
  3. Step 3: Cross multiply
    6,513,985.80x = 9,766,254.78 × 4,378,773.96
  4. Step 4: Simplify right side
    6,513,985.80x = 42,764,222,117,389.52
  5. Step 5: Solve for x
    x = 42,764,222,117,389.52/6,513,985.80
  6. Step 6: Final answer
    x = 6,564,985.47

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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.