Home / 12,121,925.66-18,182,445.62-3,602,040.69

Finding the Fourth Proportional to 12,121,925.66, 18,182,445.62 and 3,602,040.69

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Solution

The fourth proportional to 12,121,925.66, 18,182,445.62 and 3,602,040.69 is: 5,402,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121,925.66 : 18,182,445.62 = 3,602,040.69 : x
  2. Step 2: Convert to fraction form
    12,121,925.66/18,182,445.62 = 3,602,040.69/x
  3. Step 3: Cross multiply
    12,121,925.66x = 18,182,445.62 × 3,602,040.69
  4. Step 4: Simplify right side
    12,121,925.66x = 65,493,909,017,126.24
  5. Step 5: Solve for x
    x = 65,493,909,017,126.24/12,121,925.66
  6. Step 6: Final answer
    x = 5,402,929.44

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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.