Home / 54,443,670.72-81,663,393.52-13,503,212.16

Finding the Fourth Proportional to 54,443,670.72, 81,663,393.52 and 13,503,212.16

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Solution

The fourth proportional to 54,443,670.72, 81,663,393.52 and 13,503,212.16 is: 20,254,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,443,670.72 : 81,663,393.52 = 13,503,212.16 : x
  2. Step 2: Convert to fraction form
    54,443,670.72/81,663,393.52 = 13,503,212.16/x
  3. Step 3: Cross multiply
    54,443,670.72x = 81,663,393.52 × 13,503,212.16
  4. Step 4: Simplify right side
    54,443,670.72x = 1,102,718,128,406,129.12
  5. Step 5: Solve for x
    x = 1,102,718,128,406,129.12/54,443,670.72
  6. Step 6: Final answer
    x = 20,254,294.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.