Home / 20,971,902.18-28,934,303.85-17,097,762.90

Finding the Fourth Proportional to 20,971,902.18, 28,934,303.85 and 17,097,762.90

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Solution

The fourth proportional to 20,971,902.18, 28,934,303.85 and 17,097,762.90 is: 23,589,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,971,902.18 : 28,934,303.85 = 17,097,762.90 : x
  2. Step 2: Convert to fraction form
    20,971,902.18/28,934,303.85 = 17,097,762.90/x
  3. Step 3: Cross multiply
    20,971,902.18x = 28,934,303.85 × 17,097,762.90
  4. Step 4: Simplify right side
    20,971,902.18x = 494,711,866,903,857.12
  5. Step 5: Solve for x
    x = 494,711,866,903,857.12/20,971,902.18
  6. Step 6: Final answer
    x = 23,589,270.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.