Home / 12,292,913.40-18,439,370.10-5,901,624.60

Finding the Fourth Proportional to 12,292,913.40, 18,439,370.10 and 5,901,624.60

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Solution

The fourth proportional to 12,292,913.40, 18,439,370.10 and 5,901,624.60 is: 8,852,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,913.40 : 18,439,370.10 = 5,901,624.60 : x
  2. Step 2: Convert to fraction form
    12,292,913.40/18,439,370.10 = 5,901,624.60/x
  3. Step 3: Cross multiply
    12,292,913.40x = 18,439,370.10 × 5,901,624.60
  4. Step 4: Simplify right side
    12,292,913.40x = 108,822,240,190,664.47
  5. Step 5: Solve for x
    x = 108,822,240,190,664.47/12,292,913.40
  6. Step 6: Final answer
    x = 8,852,436.90

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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.