Home / 12,482,380.80-17,225,913.60-7,048,857.60

Finding the Fourth Proportional to 12,482,380.80, 17,225,913.60 and 7,048,857.60

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Solution

The fourth proportional to 12,482,380.80, 17,225,913.60 and 7,048,857.60 is: 9,727,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,380.80 : 17,225,913.60 = 7,048,857.60 : x
  2. Step 2: Convert to fraction form
    12,482,380.80/17,225,913.60 = 7,048,857.60/x
  3. Step 3: Cross multiply
    12,482,380.80x = 17,225,913.60 × 7,048,857.60
  4. Step 4: Simplify right side
    12,482,380.80x = 121,423,011,996,303.36
  5. Step 5: Solve for x
    x = 121,423,011,996,303.36/12,482,380.80
  6. Step 6: Final answer
    x = 9,727,552.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.