Home / 20,620,244.40-30,930,366.60-15,852,001.20

Finding the Fourth Proportional to 20,620,244.40, 30,930,366.60 and 15,852,001.20

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Solution

The fourth proportional to 20,620,244.40, 30,930,366.60 and 15,852,001.20 is: 23,778,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620,244.40 : 30,930,366.60 = 15,852,001.20 : x
  2. Step 2: Convert to fraction form
    20,620,244.40/30,930,366.60 = 15,852,001.20/x
  3. Step 3: Cross multiply
    20,620,244.40x = 30,930,366.60 × 15,852,001.20
  4. Step 4: Simplify right side
    20,620,244.40x = 490,308,208,459,639.94
  5. Step 5: Solve for x
    x = 490,308,208,459,639.94/20,620,244.40
  6. Step 6: Final answer
    x = 23,778,001.80

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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.