Home / 20,432,574.69-30,656,335.43-9,507,974.56

Finding the Fourth Proportional to 20,432,574.69, 30,656,335.43 and 9,507,974.56

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Solution

The fourth proportional to 20,432,574.69, 30,656,335.43 and 9,507,974.56 is: 14,265,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432,574.69 : 30,656,335.43 = 9,507,974.56 : x
  2. Step 2: Convert to fraction form
    20,432,574.69/30,656,335.43 = 9,507,974.56/x
  3. Step 3: Cross multiply
    20,432,574.69x = 30,656,335.43 × 9,507,974.56
  4. Step 4: Simplify right side
    20,432,574.69x = 291,479,657,371,266.69
  5. Step 5: Solve for x
    x = 291,479,657,371,266.69/20,432,574.69
  6. Step 6: Final answer
    x = 14,265,439.47

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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.