Home / 28,873,691.75-43,296,126.50-9,440,386.40

Finding the Fourth Proportional to 28,873,691.75, 43,296,126.50 and 9,440,386.40

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Solution

The fourth proportional to 28,873,691.75, 43,296,126.50 and 9,440,386.40 is: 14,155,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873,691.75 : 43,296,126.50 = 9,440,386.40 : x
  2. Step 2: Convert to fraction form
    28,873,691.75/43,296,126.50 = 9,440,386.40/x
  3. Step 3: Cross multiply
    28,873,691.75x = 43,296,126.50 × 9,440,386.40
  4. Step 4: Simplify right side
    28,873,691.75x = 408,732,163,519,597
  5. Step 5: Solve for x
    x = 408,732,163,519,597/28,873,691.75
  6. Step 6: Final answer
    x = 14,155,867.81

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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.