Home / 9,869,809.20-14,804,713.80-3,138,903.60

Finding the Fourth Proportional to 9,869,809.20, 14,804,713.80 and 3,138,903.60

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Solution

The fourth proportional to 9,869,809.20, 14,804,713.80 and 3,138,903.60 is: 4,708,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869,809.20 : 14,804,713.80 = 3,138,903.60 : x
  2. Step 2: Convert to fraction form
    9,869,809.20/14,804,713.80 = 3,138,903.60/x
  3. Step 3: Cross multiply
    9,869,809.20x = 14,804,713.80 × 3,138,903.60
  4. Step 4: Simplify right side
    9,869,809.20x = 46,470,569,443,789.69
  5. Step 5: Solve for x
    x = 46,470,569,443,789.69/9,869,809.20
  6. Step 6: Final answer
    x = 4,708,355.40

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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.