Home / 16,129,102.40-24,168,770.40-13,989,147.20

Finding the Fourth Proportional to 16,129,102.40, 24,168,770.40 and 13,989,147.20

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Solution

The fourth proportional to 16,129,102.40, 24,168,770.40 and 13,989,147.20 is: 20,962,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129,102.40 : 24,168,770.40 = 13,989,147.20 : x
  2. Step 2: Convert to fraction form
    16,129,102.40/24,168,770.40 = 13,989,147.20/x
  3. Step 3: Cross multiply
    16,129,102.40x = 24,168,770.40 × 13,989,147.20
  4. Step 4: Simplify right side
    16,129,102.40x = 338,100,486,768,602.81
  5. Step 5: Solve for x
    x = 338,100,486,768,602.81/16,129,102.40
  6. Step 6: Final answer
    x = 20,962,139.02

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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.