Home / 14,964,147.16-20,648,768.72-8,437,387.38

Finding the Fourth Proportional to 14,964,147.16, 20,648,768.72 and 8,437,387.38

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Solution

The fourth proportional to 14,964,147.16, 20,648,768.72 and 8,437,387.38 is: 11,642,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964,147.16 : 20,648,768.72 = 8,437,387.38 : x
  2. Step 2: Convert to fraction form
    14,964,147.16/20,648,768.72 = 8,437,387.38/x
  3. Step 3: Cross multiply
    14,964,147.16x = 20,648,768.72 × 8,437,387.38
  4. Step 4: Simplify right side
    14,964,147.16x = 174,221,660,538,507.25
  5. Step 5: Solve for x
    x = 174,221,660,538,507.25/14,964,147.16
  6. Step 6: Final answer
    x = 11,642,605.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.