Home / 12,148,066.80-16,764,408-6,641,453.52

Finding the Fourth Proportional to 12,148,066.80, 16,764,408 and 6,641,453.52

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Solution

The fourth proportional to 12,148,066.80, 16,764,408 and 6,641,453.52 is: 9,165,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,066.80 : 16,764,408 = 6,641,453.52 : x
  2. Step 2: Convert to fraction form
    12,148,066.80/16,764,408 = 6,641,453.52/x
  3. Step 3: Cross multiply
    12,148,066.80x = 16,764,408 × 6,641,453.52
  4. Step 4: Simplify right side
    12,148,066.80x = 111,340,036,522,316.16
  5. Step 5: Solve for x
    x = 111,340,036,522,316.16/12,148,066.80
  6. Step 6: Final answer
    x = 9,165,247.31

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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.