Home / 15,401,407.98-21,254,193.66-8,431,967.90

Finding the Fourth Proportional to 15,401,407.98, 21,254,193.66 and 8,431,967.90

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Solution

The fourth proportional to 15,401,407.98, 21,254,193.66 and 8,431,967.90 is: 11,636,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,407.98 : 21,254,193.66 = 8,431,967.90 : x
  2. Step 2: Convert to fraction form
    15,401,407.98/21,254,193.66 = 8,431,967.90/x
  3. Step 3: Cross multiply
    15,401,407.98x = 21,254,193.66 × 8,431,967.90
  4. Step 4: Simplify right side
    15,401,407.98x = 179,214,678,681,503.53
  5. Step 5: Solve for x
    x = 179,214,678,681,503.53/15,401,407.98
  6. Step 6: Final answer
    x = 11,636,252.93

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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.