Home / 21,754,905.40-32,632,358.10-20,411,212.60

Finding the Fourth Proportional to 21,754,905.40, 32,632,358.10 and 20,411,212.60

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Solution

The fourth proportional to 21,754,905.40, 32,632,358.10 and 20,411,212.60 is: 30,616,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,754,905.40 : 32,632,358.10 = 20,411,212.60 : x
  2. Step 2: Convert to fraction form
    21,754,905.40/32,632,358.10 = 20,411,212.60/x
  3. Step 3: Cross multiply
    21,754,905.40x = 32,632,358.10 × 20,411,212.60
  4. Step 4: Simplify right side
    21,754,905.40x = 666,065,998,818,432.12
  5. Step 5: Solve for x
    x = 666,065,998,818,432.12/21,754,905.40
  6. Step 6: Final answer
    x = 30,616,818.90

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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.