Home / 14,278,847.74-21,426,779.85-5,181,654.72

Finding the Fourth Proportional to 14,278,847.74, 21,426,779.85 and 5,181,654.72

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Solution

The fourth proportional to 14,278,847.74, 21,426,779.85 and 5,181,654.72 is: 7,775,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,847.74 : 21,426,779.85 = 5,181,654.72 : x
  2. Step 2: Convert to fraction form
    14,278,847.74/21,426,779.85 = 5,181,654.72/x
  3. Step 3: Cross multiply
    14,278,847.74x = 21,426,779.85 × 5,181,654.72
  4. Step 4: Simplify right side
    14,278,847.74x = 111,026,174,944,153.39
  5. Step 5: Solve for x
    x = 111,026,174,944,153.39/14,278,847.74
  6. Step 6: Final answer
    x = 7,775,569.64

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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.