Home / 31,942,023.40-47,913,035.10-19,187,439.40

Finding the Fourth Proportional to 31,942,023.40, 47,913,035.10 and 19,187,439.40

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Solution

The fourth proportional to 31,942,023.40, 47,913,035.10 and 19,187,439.40 is: 28,781,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942,023.40 : 47,913,035.10 = 19,187,439.40 : x
  2. Step 2: Convert to fraction form
    31,942,023.40/47,913,035.10 = 19,187,439.40/x
  3. Step 3: Cross multiply
    31,942,023.40x = 47,913,035.10 × 19,187,439.40
  4. Step 4: Simplify right side
    31,942,023.40x = 919,328,457,451,322.88
  5. Step 5: Solve for x
    x = 919,328,457,451,322.88/31,942,023.40
  6. Step 6: Final answer
    x = 28,781,159.10

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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.