Home / 30,323,251.61-45,489,580.19-12,815,882.46

Finding the Fourth Proportional to 30,323,251.61, 45,489,580.19 and 12,815,882.46

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Solution

The fourth proportional to 30,323,251.61, 45,489,580.19 and 12,815,882.46 is: 19,225,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323,251.61 : 45,489,580.19 = 12,815,882.46 : x
  2. Step 2: Convert to fraction form
    30,323,251.61/45,489,580.19 = 12,815,882.46/x
  3. Step 3: Cross multiply
    30,323,251.61x = 45,489,580.19 × 12,815,882.46
  4. Step 4: Simplify right side
    30,323,251.61x = 582,989,112,805,705.12
  5. Step 5: Solve for x
    x = 582,989,112,805,705.12/30,323,251.61
  6. Step 6: Final answer
    x = 19,225,811.28

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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.