Home / 14,278,848.74-21,426,781.35-5,181,655.72

Finding the Fourth Proportional to 14,278,848.74, 21,426,781.35 and 5,181,655.72

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Solution

The fourth proportional to 14,278,848.74, 21,426,781.35 and 5,181,655.72 is: 7,775,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,848.74 : 21,426,781.35 = 5,181,655.72 : x
  2. Step 2: Convert to fraction form
    14,278,848.74/21,426,781.35 = 5,181,655.72/x
  3. Step 3: Cross multiply
    14,278,848.74x = 21,426,781.35 × 5,181,655.72
  4. Step 4: Simplify right side
    14,278,848.74x = 111,026,204,143,416.83
  5. Step 5: Solve for x
    x = 111,026,204,143,416.83/14,278,848.74
  6. Step 6: Final answer
    x = 7,775,571.14

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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.