Home / 19,423,080.80-29,134,621.20-6,639,336.80

Finding the Fourth Proportional to 19,423,080.80, 29,134,621.20 and 6,639,336.80

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Solution

The fourth proportional to 19,423,080.80, 29,134,621.20 and 6,639,336.80 is: 9,959,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,080.80 : 29,134,621.20 = 6,639,336.80 : x
  2. Step 2: Convert to fraction form
    19,423,080.80/29,134,621.20 = 6,639,336.80/x
  3. Step 3: Cross multiply
    19,423,080.80x = 29,134,621.20 × 6,639,336.80
  4. Step 4: Simplify right side
    19,423,080.80x = 193,434,562,687,220.16
  5. Step 5: Solve for x
    x = 193,434,562,687,220.16/19,423,080.80
  6. Step 6: Final answer
    x = 9,959,005.20

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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.