Home / 15,260,685.60-21,061,577.04-9,152,474.40

Finding the Fourth Proportional to 15,260,685.60, 21,061,577.04 and 9,152,474.40

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Solution

The fourth proportional to 15,260,685.60, 21,061,577.04 and 9,152,474.40 is: 12,631,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260,685.60 : 21,061,577.04 = 9,152,474.40 : x
  2. Step 2: Convert to fraction form
    15,260,685.60/21,061,577.04 = 9,152,474.40/x
  3. Step 3: Cross multiply
    15,260,685.60x = 21,061,577.04 × 9,152,474.40
  4. Step 4: Simplify right side
    15,260,685.60x = 192,765,544,682,227.78
  5. Step 5: Solve for x
    x = 192,765,544,682,227.78/15,260,685.60
  6. Step 6: Final answer
    x = 12,631,512.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.