Home / 14,062,277.92-21,059,019.60-12,699,130.72

Finding the Fourth Proportional to 14,062,277.92, 21,059,019.60 and 12,699,130.72

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Solution

The fourth proportional to 14,062,277.92, 21,059,019.60 and 12,699,130.72 is: 19,017,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062,277.92 : 21,059,019.60 = 12,699,130.72 : x
  2. Step 2: Convert to fraction form
    14,062,277.92/21,059,019.60 = 12,699,130.72/x
  3. Step 3: Cross multiply
    14,062,277.92x = 21,059,019.60 × 12,699,130.72
  4. Step 4: Simplify right side
    14,062,277.92x = 267,431,242,735,442.16
  5. Step 5: Solve for x
    x = 267,431,242,735,442.16/14,062,277.92
  6. Step 6: Final answer
    x = 19,017,633.15

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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.