Home / 31,931,223.86-47,927,116.97-19,763,882.12

Finding the Fourth Proportional to 31,931,223.86, 47,927,116.97 and 19,763,882.12

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Solution

The fourth proportional to 31,931,223.86, 47,927,116.97 and 19,763,882.12 is: 29,664,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931,223.86 : 47,927,116.97 = 19,763,882.12 : x
  2. Step 2: Convert to fraction form
    31,931,223.86/47,927,116.97 = 19,763,882.12/x
  3. Step 3: Cross multiply
    31,931,223.86x = 47,927,116.97 × 19,763,882.12
  4. Step 4: Simplify right side
    31,931,223.86x = 947,225,889,808,076.62
  5. Step 5: Solve for x
    x = 947,225,889,808,076.62/31,931,223.86
  6. Step 6: Final answer
    x = 29,664,565.76

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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.