Home / 19,257,517.60-28,886,276.40-15,478,381.60

Finding the Fourth Proportional to 19,257,517.60, 28,886,276.40 and 15,478,381.60

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Solution

The fourth proportional to 19,257,517.60, 28,886,276.40 and 15,478,381.60 is: 23,217,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257,517.60 : 28,886,276.40 = 15,478,381.60 : x
  2. Step 2: Convert to fraction form
    19,257,517.60/28,886,276.40 = 15,478,381.60/x
  3. Step 3: Cross multiply
    19,257,517.60x = 28,886,276.40 × 15,478,381.60
  4. Step 4: Simplify right side
    19,257,517.60x = 447,112,809,122,274.19
  5. Step 5: Solve for x
    x = 447,112,809,122,274.19/19,257,517.60
  6. Step 6: Final answer
    x = 23,217,572.40

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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.