Home / 10,534,688.60-15,804,985.35-5,143,514.90

Finding the Fourth Proportional to 10,534,688.60, 15,804,985.35 and 5,143,514.90

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Solution

The fourth proportional to 10,534,688.60, 15,804,985.35 and 5,143,514.90 is: 7,716,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534,688.60 : 15,804,985.35 = 5,143,514.90 : x
  2. Step 2: Convert to fraction form
    10,534,688.60/15,804,985.35 = 5,143,514.90/x
  3. Step 3: Cross multiply
    10,534,688.60x = 15,804,985.35 × 5,143,514.90
  4. Step 4: Simplify right side
    10,534,688.60x = 81,293,177,642,006.72
  5. Step 5: Solve for x
    x = 81,293,177,642,006.72/10,534,688.60
  6. Step 6: Final answer
    x = 7,716,713.87

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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.