Home / 14,278,548.26-21,426,332.60-5,181,355.53

Finding the Fourth Proportional to 14,278,548.26, 21,426,332.60 and 5,181,355.53

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Solution

The fourth proportional to 14,278,548.26, 21,426,332.60 and 5,181,355.53 is: 7,775,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,548.26 : 21,426,332.60 = 5,181,355.53 : x
  2. Step 2: Convert to fraction form
    14,278,548.26/21,426,332.60 = 5,181,355.53/x
  3. Step 3: Cross multiply
    14,278,548.26x = 21,426,332.60 × 5,181,355.53
  4. Step 4: Simplify right side
    14,278,548.26x = 111,017,446,917,582.67
  5. Step 5: Solve for x
    x = 111,017,446,917,582.67/14,278,548.26
  6. Step 6: Final answer
    x = 7,775,121.45

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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.