Home / 43,569,806.40-65,357,167.20-13,278,657.60

Finding the Fourth Proportional to 43,569,806.40, 65,357,167.20 and 13,278,657.60

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Solution

The fourth proportional to 43,569,806.40, 65,357,167.20 and 13,278,657.60 is: 19,918,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,569,806.40 : 65,357,167.20 = 13,278,657.60 : x
  2. Step 2: Convert to fraction form
    43,569,806.40/65,357,167.20 = 13,278,657.60/x
  3. Step 3: Cross multiply
    43,569,806.40x = 65,357,167.20 × 13,278,657.60
  4. Step 4: Simplify right side
    43,569,806.40x = 867,855,444,954,750.75
  5. Step 5: Solve for x
    x = 867,855,444,954,750.75/43,569,806.40
  6. Step 6: Final answer
    x = 19,918,735.40

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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.