Home / 15,251,814.27-21,047,422.32-8,282,430.90

Finding the Fourth Proportional to 15,251,814.27, 21,047,422.32 and 8,282,430.90

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Solution

The fourth proportional to 15,251,814.27, 21,047,422.32 and 8,282,430.90 is: 11,429,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,814.27 : 21,047,422.32 = 8,282,430.90 : x
  2. Step 2: Convert to fraction form
    15,251,814.27/21,047,422.32 = 8,282,430.90/x
  3. Step 3: Cross multiply
    15,251,814.27x = 21,047,422.32 × 8,282,430.90
  4. Step 4: Simplify right side
    15,251,814.27x = 174,323,820,988,517.69
  5. Step 5: Solve for x
    x = 174,323,820,988,517.69/15,251,814.27
  6. Step 6: Final answer
    x = 11,429,710.45

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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.