Home / 15,408,333.25-21,264,168.29-8,532,815.31

Finding the Fourth Proportional to 15,408,333.25, 21,264,168.29 and 8,532,815.31

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Solution

The fourth proportional to 15,408,333.25, 21,264,168.29 and 8,532,815.31 is: 11,775,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408,333.25 : 21,264,168.29 = 8,532,815.31 : x
  2. Step 2: Convert to fraction form
    15,408,333.25/21,264,168.29 = 8,532,815.31/x
  3. Step 3: Cross multiply
    15,408,333.25x = 21,264,168.29 × 8,532,815.31
  4. Step 4: Simplify right side
    15,408,333.25x = 181,443,220,771,156.91
  5. Step 5: Solve for x
    x = 181,443,220,771,156.91/15,408,333.25
  6. Step 6: Final answer
    x = 11,775,655.28

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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.