Home / 15,412,029.29-21,267,841.37-8,442,737.04

Finding the Fourth Proportional to 15,412,029.29, 21,267,841.37 and 8,442,737.04

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Solution

The fourth proportional to 15,412,029.29, 21,267,841.37 and 8,442,737.04 is: 11,650,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412,029.29 : 21,267,841.37 = 8,442,737.04 : x
  2. Step 2: Convert to fraction form
    15,412,029.29/21,267,841.37 = 8,442,737.04/x
  3. Step 3: Cross multiply
    15,412,029.29x = 21,267,841.37 × 8,442,737.04
  4. Step 4: Simplify right side
    15,412,029.29x = 179,558,792,095,343.34
  5. Step 5: Solve for x
    x = 179,558,792,095,343.34/15,412,029.29
  6. Step 6: Final answer
    x = 11,650,561.31

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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.