Home / 28,024,009.91-42,001,934.78-19,829,013.19

Finding the Fourth Proportional to 28,024,009.91, 42,001,934.78 and 19,829,013.19

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Solution

The fourth proportional to 28,024,009.91, 42,001,934.78 and 19,829,013.19 is: 29,719,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024,009.91 : 42,001,934.78 = 19,829,013.19 : x
  2. Step 2: Convert to fraction form
    28,024,009.91/42,001,934.78 = 19,829,013.19/x
  3. Step 3: Cross multiply
    28,024,009.91x = 42,001,934.78 × 19,829,013.19
  4. Step 4: Simplify right side
    28,024,009.91x = 832,856,918,702,707.38
  5. Step 5: Solve for x
    x = 832,856,918,702,707.38/28,024,009.91
  6. Step 6: Final answer
    x = 29,719,405.66

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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.