Home / 9,778,071.20-14,668,856.40-4,098,869.60

Finding the Fourth Proportional to 9,778,071.20, 14,668,856.40 and 4,098,869.60

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Solution

The fourth proportional to 9,778,071.20, 14,668,856.40 and 4,098,869.60 is: 6,149,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,071.20 : 14,668,856.40 = 4,098,869.60 : x
  2. Step 2: Convert to fraction form
    9,778,071.20/14,668,856.40 = 4,098,869.60/x
  3. Step 3: Cross multiply
    9,778,071.20x = 14,668,856.40 × 4,098,869.60
  4. Step 4: Simplify right side
    9,778,071.20x = 60,125,729,564,725.45
  5. Step 5: Solve for x
    x = 60,125,729,564,725.45/9,778,071.20
  6. Step 6: Final answer
    x = 6,149,037.81

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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.