Home / 28,011,498.17-42,036,130.17-9,815,856.82

Finding the Fourth Proportional to 28,011,498.17, 42,036,130.17 and 9,815,856.82

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Solution

The fourth proportional to 28,011,498.17, 42,036,130.17 and 9,815,856.82 is: 14,730,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011,498.17 : 42,036,130.17 = 9,815,856.82 : x
  2. Step 2: Convert to fraction form
    28,011,498.17/42,036,130.17 = 9,815,856.82/x
  3. Step 3: Cross multiply
    28,011,498.17x = 42,036,130.17 × 9,815,856.82
  4. Step 4: Simplify right side
    28,011,498.17x = 412,620,634,910,512
  5. Step 5: Solve for x
    x = 412,620,634,910,512/28,011,498.17
  6. Step 6: Final answer
    x = 14,730,402.23

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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.