Home / 20,710,989.90-31,066,468.44-5,564,921.40

Finding the Fourth Proportional to 20,710,989.90, 31,066,468.44 and 5,564,921.40

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Solution

The fourth proportional to 20,710,989.90, 31,066,468.44 and 5,564,921.40 is: 8,347,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,989.90 : 31,066,468.44 = 5,564,921.40 : x
  2. Step 2: Convert to fraction form
    20,710,989.90/31,066,468.44 = 5,564,921.40/x
  3. Step 3: Cross multiply
    20,710,989.90x = 31,066,468.44 × 5,564,921.40
  4. Step 4: Simplify right side
    20,710,989.90x = 172,882,455,044,180.62
  5. Step 5: Solve for x
    x = 172,882,455,044,180.62/20,710,989.90
  6. Step 6: Final answer
    x = 8,347,377.69

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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.