Home / 12,458,934.60-18,691,901.10-6,069,395.40

Finding the Fourth Proportional to 12,458,934.60, 18,691,901.10 and 6,069,395.40

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Solution

The fourth proportional to 12,458,934.60, 18,691,901.10 and 6,069,395.40 is: 9,105,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,934.60 : 18,691,901.10 = 6,069,395.40 : x
  2. Step 2: Convert to fraction form
    12,458,934.60/18,691,901.10 = 6,069,395.40/x
  3. Step 3: Cross multiply
    12,458,934.60x = 18,691,901.10 × 6,069,395.40
  4. Step 4: Simplify right side
    12,458,934.60x = 113,448,538,553,594.95
  5. Step 5: Solve for x
    x = 113,448,538,553,594.95/12,458,934.60
  6. Step 6: Final answer
    x = 9,105,797.74

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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.