Home / 15,570,373.71-21,482,801.09-8,954,601.51

Finding the Fourth Proportional to 15,570,373.71, 21,482,801.09 and 8,954,601.51

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Solution

The fourth proportional to 15,570,373.71, 21,482,801.09 and 8,954,601.51 is: 12,354,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570,373.71 : 21,482,801.09 = 8,954,601.51 : x
  2. Step 2: Convert to fraction form
    15,570,373.71/21,482,801.09 = 8,954,601.51/x
  3. Step 3: Cross multiply
    15,570,373.71x = 21,482,801.09 × 8,954,601.51
  4. Step 4: Simplify right side
    15,570,373.71x = 192,369,923,079,543.62
  5. Step 5: Solve for x
    x = 192,369,923,079,543.62/15,570,373.71
  6. Step 6: Final answer
    x = 12,354,868.72

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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.