Home / 31,501,497.60-47,252,246.40-19,673,982.90

Finding the Fourth Proportional to 31,501,497.60, 47,252,246.40 and 19,673,982.90

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Solution

The fourth proportional to 31,501,497.60, 47,252,246.40 and 19,673,982.90 is: 29,510,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501,497.60 : 47,252,246.40 = 19,673,982.90 : x
  2. Step 2: Convert to fraction form
    31,501,497.60/47,252,246.40 = 19,673,982.90/x
  3. Step 3: Cross multiply
    31,501,497.60x = 47,252,246.40 × 19,673,982.90
  4. Step 4: Simplify right side
    31,501,497.60x = 929,639,887,660,186.50
  5. Step 5: Solve for x
    x = 929,639,887,660,186.50/31,501,497.60
  6. Step 6: Final answer
    x = 29,510,974.35

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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.