Home / 19,931,980.20-29,897,970.30-19,554,066.60

Finding the Fourth Proportional to 19,931,980.20, 29,897,970.30 and 19,554,066.60

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Solution

The fourth proportional to 19,931,980.20, 29,897,970.30 and 19,554,066.60 is: 29,331,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,980.20 : 29,897,970.30 = 19,554,066.60 : x
  2. Step 2: Convert to fraction form
    19,931,980.20/29,897,970.30 = 19,554,066.60/x
  3. Step 3: Cross multiply
    19,931,980.20x = 29,897,970.30 × 19,554,066.60
  4. Step 4: Simplify right side
    19,931,980.20x = 584,626,902,451,022
  5. Step 5: Solve for x
    x = 584,626,902,451,022/19,931,980.20
  6. Step 6: Final answer
    x = 29,331,099.90

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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.