Home / 13,942,627.20-20,913,940.80-4,357,990.35

Finding the Fourth Proportional to 13,942,627.20, 20,913,940.80 and 4,357,990.35

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Solution

The fourth proportional to 13,942,627.20, 20,913,940.80 and 4,357,990.35 is: 6,536,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,627.20 : 20,913,940.80 = 4,357,990.35 : x
  2. Step 2: Convert to fraction form
    13,942,627.20/20,913,940.80 = 4,357,990.35/x
  3. Step 3: Cross multiply
    13,942,627.20x = 20,913,940.80 × 4,357,990.35
  4. Step 4: Simplify right side
    13,942,627.20x = 91,142,752,186,871.28
  5. Step 5: Solve for x
    x = 91,142,752,186,871.28/13,942,627.20
  6. Step 6: Final answer
    x = 6,536,985.53

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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.