Home / 22,390,913.25-30,908,994.30-15,053,002.47

Finding the Fourth Proportional to 22,390,913.25, 30,908,994.30 and 15,053,002.47

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Solution

The fourth proportional to 22,390,913.25, 30,908,994.30 and 15,053,002.47 is: 20,779,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390,913.25 : 30,908,994.30 = 15,053,002.47 : x
  2. Step 2: Convert to fraction form
    22,390,913.25/30,908,994.30 = 15,053,002.47/x
  3. Step 3: Cross multiply
    22,390,913.25x = 30,908,994.30 × 15,053,002.47
  4. Step 4: Simplify right side
    22,390,913.25x = 465,273,167,543,115.94
  5. Step 5: Solve for x
    x = 465,273,167,543,115.94/22,390,913.25
  6. Step 6: Final answer
    x = 20,779,552.95

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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.