Home / 14,278,555.28-21,426,343.09-5,181,362.69

Finding the Fourth Proportional to 14,278,555.28, 21,426,343.09 and 5,181,362.69

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Solution

The fourth proportional to 14,278,555.28, 21,426,343.09 and 5,181,362.69 is: 7,775,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,555.28 : 21,426,343.09 = 5,181,362.69 : x
  2. Step 2: Convert to fraction form
    14,278,555.28/21,426,343.09 = 5,181,362.69/x
  3. Step 3: Cross multiply
    14,278,555.28x = 21,426,343.09 × 5,181,362.69
  4. Step 4: Simplify right side
    14,278,555.28x = 111,017,654,549,580.17
  5. Step 5: Solve for x
    x = 111,017,654,549,580.17/14,278,555.28
  6. Step 6: Final answer
    x = 7,775,132.17

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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.