Home / 31,885,358.40-47,832,703.20-10,316,289.60

Finding the Fourth Proportional to 31,885,358.40, 47,832,703.20 and 10,316,289.60

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Solution

The fourth proportional to 31,885,358.40, 47,832,703.20 and 10,316,289.60 is: 15,475,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885,358.40 : 47,832,703.20 = 10,316,289.60 : x
  2. Step 2: Convert to fraction form
    31,885,358.40/47,832,703.20 = 10,316,289.60/x
  3. Step 3: Cross multiply
    31,885,358.40x = 47,832,703.20 × 10,316,289.60
  4. Step 4: Simplify right side
    31,885,358.40x = 493,456,018,562,046.75
  5. Step 5: Solve for x
    x = 493,456,018,562,046.75/31,885,358.40
  6. Step 6: Final answer
    x = 15,475,943.92

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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.