Home / 20,265,575.28-30,398,434.01-4,912,802.48

Finding the Fourth Proportional to 20,265,575.28, 30,398,434.01 and 4,912,802.48

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Solution

The fourth proportional to 20,265,575.28, 30,398,434.01 and 4,912,802.48 is: 7,369,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265,575.28 : 30,398,434.01 = 4,912,802.48 : x
  2. Step 2: Convert to fraction form
    20,265,575.28/30,398,434.01 = 4,912,802.48/x
  3. Step 3: Cross multiply
    20,265,575.28x = 30,398,434.01 × 4,912,802.48
  4. Step 4: Simplify right side
    20,265,575.28x = 149,341,501,815,888.16
  5. Step 5: Solve for x
    x = 149,341,501,815,888.16/20,265,575.28
  6. Step 6: Final answer
    x = 7,369,220.95

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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.