Home / 8,870,946.40-13,306,419.60-3,190,432.60

Finding the Fourth Proportional to 8,870,946.40, 13,306,419.60 and 3,190,432.60

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Solution

The fourth proportional to 8,870,946.40, 13,306,419.60 and 3,190,432.60 is: 4,785,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,946.40 : 13,306,419.60 = 3,190,432.60 : x
  2. Step 2: Convert to fraction form
    8,870,946.40/13,306,419.60 = 3,190,432.60/x
  3. Step 3: Cross multiply
    8,870,946.40x = 13,306,419.60 × 3,190,432.60
  4. Step 4: Simplify right side
    8,870,946.40x = 42,453,234,881,118.96
  5. Step 5: Solve for x
    x = 42,453,234,881,118.96/8,870,946.40
  6. Step 6: Final answer
    x = 4,785,648.90

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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.