Home / 13,909,561.12-20,869,278-6,232,602.40

Finding the Fourth Proportional to 13,909,561.12, 20,869,278 and 6,232,602.40

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Solution

The fourth proportional to 13,909,561.12, 20,869,278 and 6,232,602.40 is: 9,351,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,561.12 : 20,869,278 = 6,232,602.40 : x
  2. Step 2: Convert to fraction form
    13,909,561.12/20,869,278 = 6,232,602.40/x
  3. Step 3: Cross multiply
    13,909,561.12x = 20,869,278 × 6,232,602.40
  4. Step 4: Simplify right side
    13,909,561.12x = 130,069,912,149,067.20
  5. Step 5: Solve for x
    x = 130,069,912,149,067.20/13,909,561.12
  6. Step 6: Final answer
    x = 9,351,115.47

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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.