Home / 15,572,098.80-21,333,418.98-14,989,891.44

Finding the Fourth Proportional to 15,572,098.80, 21,333,418.98 and 14,989,891.44

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Solution

The fourth proportional to 15,572,098.80, 21,333,418.98 and 14,989,891.44 is: 20,535,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572,098.80 : 21,333,418.98 = 14,989,891.44 : x
  2. Step 2: Convert to fraction form
    15,572,098.80/21,333,418.98 = 14,989,891.44/x
  3. Step 3: Cross multiply
    15,572,098.80x = 21,333,418.98 × 14,989,891.44
  4. Step 4: Simplify right side
    15,572,098.80x = 319,785,634,554,235.50
  5. Step 5: Solve for x
    x = 319,785,634,554,235.50/15,572,098.80
  6. Step 6: Final answer
    x = 20,535,808.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.