Home / 31,996,729.20-47,995,093.80-19,210,652.40

Finding the Fourth Proportional to 31,996,729.20, 47,995,093.80 and 19,210,652.40

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Solution

The fourth proportional to 31,996,729.20, 47,995,093.80 and 19,210,652.40 is: 28,815,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996,729.20 : 47,995,093.80 = 19,210,652.40 : x
  2. Step 2: Convert to fraction form
    31,996,729.20/47,995,093.80 = 19,210,652.40/x
  3. Step 3: Cross multiply
    31,996,729.20x = 47,995,093.80 × 19,210,652.40
  4. Step 4: Simplify right side
    31,996,729.20x = 922,017,063,897,195
  5. Step 5: Solve for x
    x = 922,017,063,897,195/31,996,729.20
  6. Step 6: Final answer
    x = 28,815,978.60

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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.