Home / 15,343,737.71-21,174,057.95-8,374,465.23

Finding the Fourth Proportional to 15,343,737.71, 21,174,057.95 and 8,374,465.23

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Solution

The fourth proportional to 15,343,737.71, 21,174,057.95 and 8,374,465.23 is: 11,556,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343,737.71 : 21,174,057.95 = 8,374,465.23 : x
  2. Step 2: Convert to fraction form
    15,343,737.71/21,174,057.95 = 8,374,465.23/x
  3. Step 3: Cross multiply
    15,343,737.71x = 21,174,057.95 × 8,374,465.23
  4. Step 4: Simplify right side
    15,343,737.71x = 177,321,412,069,812
  5. Step 5: Solve for x
    x = 177,321,412,069,812/15,343,737.71
  6. Step 6: Final answer
    x = 11,556,598.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.