Home / 12,574,261.13-18,868,710.56-5,287,193.55

Finding the Fourth Proportional to 12,574,261.13, 18,868,710.56 and 5,287,193.55

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Solution

The fourth proportional to 12,574,261.13, 18,868,710.56 and 5,287,193.55 is: 7,933,867.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574,261.13 : 18,868,710.56 = 5,287,193.55 : x
  2. Step 2: Convert to fraction form
    12,574,261.13/18,868,710.56 = 5,287,193.55/x
  3. Step 3: Cross multiply
    12,574,261.13x = 18,868,710.56 × 5,287,193.55
  4. Step 4: Simplify right side
    12,574,261.13x = 99,762,524,743,212.92
  5. Step 5: Solve for x
    x = 99,762,524,743,212.92/12,574,261.13
  6. Step 6: Final answer
    x = 7,933,867.74

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1.5x scale

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.