Home / 19,112,057.60-28,676,380.80-9,656,441.60

Finding the Fourth Proportional to 19,112,057.60, 28,676,380.80 and 9,656,441.60

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Solution

The fourth proportional to 19,112,057.60, 28,676,380.80 and 9,656,441.60 is: 14,488,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112,057.60 : 28,676,380.80 = 9,656,441.60 : x
  2. Step 2: Convert to fraction form
    19,112,057.60/28,676,380.80 = 9,656,441.60/x
  3. Step 3: Cross multiply
    19,112,057.60x = 28,676,380.80 × 9,656,441.60
  4. Step 4: Simplify right side
    19,112,057.60x = 276,911,796,494,561.28
  5. Step 5: Solve for x
    x = 276,911,796,494,561.28/19,112,057.60
  6. Step 6: Final answer
    x = 14,488,853.18

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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.