Home / 28,024,011.41-42,001,937.03-19,829,014.70

Finding the Fourth Proportional to 28,024,011.41, 42,001,937.03 and 19,829,014.70

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Solution

The fourth proportional to 28,024,011.41, 42,001,937.03 and 19,829,014.70 is: 29,719,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024,011.41 : 42,001,937.03 = 19,829,014.70 : x
  2. Step 2: Convert to fraction form
    28,024,011.41/42,001,937.03 = 19,829,014.70/x
  3. Step 3: Cross multiply
    28,024,011.41x = 42,001,937.03 × 19,829,014.70
  4. Step 4: Simplify right side
    28,024,011.41x = 832,857,026,487,189.62
  5. Step 5: Solve for x
    x = 832,857,026,487,189.62/28,024,011.41
  6. Step 6: Final answer
    x = 29,719,407.92

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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.