Home / 20,734,720.60-31,102,080.90-7,266,688.60

Finding the Fourth Proportional to 20,734,720.60, 31,102,080.90 and 7,266,688.60

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Solution

The fourth proportional to 20,734,720.60, 31,102,080.90 and 7,266,688.60 is: 10,900,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,720.60 : 31,102,080.90 = 7,266,688.60 : x
  2. Step 2: Convert to fraction form
    20,734,720.60/31,102,080.90 = 7,266,688.60/x
  3. Step 3: Cross multiply
    20,734,720.60x = 31,102,080.90 × 7,266,688.60
  4. Step 4: Simplify right side
    20,734,720.60x = 226,009,136,712,307.72
  5. Step 5: Solve for x
    x = 226,009,136,712,307.72/20,734,720.60
  6. Step 6: Final answer
    x = 10,900,032.90

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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.