Home / 20,736,211.40-31,094,985.90-7,952,467.40

Finding the Fourth Proportional to 20,736,211.40, 31,094,985.90 and 7,952,467.40

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Solution

The fourth proportional to 20,736,211.40, 31,094,985.90 and 7,952,467.40 is: 11,925,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,211.40 : 31,094,985.90 = 7,952,467.40 : x
  2. Step 2: Convert to fraction form
    20,736,211.40/31,094,985.90 = 7,952,467.40/x
  3. Step 3: Cross multiply
    20,736,211.40x = 31,094,985.90 × 7,952,467.40
  4. Step 4: Simplify right side
    20,736,211.40x = 247,281,861,673,209.66
  5. Step 5: Solve for x
    x = 247,281,861,673,209.66/20,736,211.40
  6. Step 6: Final answer
    x = 11,925,122.53

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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.