Home / 31,373,879.40-47,060,819.10-19,097,592.30

Finding the Fourth Proportional to 31,373,879.40, 47,060,819.10 and 19,097,592.30

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Solution

The fourth proportional to 31,373,879.40, 47,060,819.10 and 19,097,592.30 is: 28,646,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373,879.40 : 47,060,819.10 = 19,097,592.30 : x
  2. Step 2: Convert to fraction form
    31,373,879.40/47,060,819.10 = 19,097,592.30/x
  3. Step 3: Cross multiply
    31,373,879.40x = 47,060,819.10 × 19,097,592.30
  4. Step 4: Simplify right side
    31,373,879.40x = 898,748,336,475,853
  5. Step 5: Solve for x
    x = 898,748,336,475,853/31,373,879.40
  6. Step 6: Final answer
    x = 28,646,388.45

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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.