Home / 20,710,987.74-31,066,465.21-5,564,919.24

Finding the Fourth Proportional to 20,710,987.74, 31,066,465.21 and 5,564,919.24

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Solution

The fourth proportional to 20,710,987.74, 31,066,465.21 and 5,564,919.24 is: 8,347,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,987.74 : 31,066,465.21 = 5,564,919.24 : x
  2. Step 2: Convert to fraction form
    20,710,987.74/31,066,465.21 = 5,564,919.24/x
  3. Step 3: Cross multiply
    20,710,987.74x = 31,066,465.21 × 5,564,919.24
  4. Step 4: Simplify right side
    20,710,987.74x = 172,882,369,952,007.34
  5. Step 5: Solve for x
    x = 172,882,369,952,007.34/20,710,987.74
  6. Step 6: Final answer
    x = 8,347,374.45

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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.