Home / 43,512,402.95-65,261,510.74-12,799,799.61

Finding the Fourth Proportional to 43,512,402.95, 65,261,510.74 and 12,799,799.61

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Solution

The fourth proportional to 43,512,402.95, 65,261,510.74 and 12,799,799.61 is: 19,197,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,512,402.95 : 65,261,510.74 = 12,799,799.61 : x
  2. Step 2: Convert to fraction form
    43,512,402.95/65,261,510.74 = 12,799,799.61/x
  3. Step 3: Cross multiply
    43,512,402.95x = 65,261,510.74 × 12,799,799.61
  4. Step 4: Simplify right side
    43,512,402.95x = 835,334,259,717,862.75
  5. Step 5: Solve for x
    x = 835,334,259,717,862.75/43,512,402.95
  6. Step 6: Final answer
    x = 19,197,612.71

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1.5x scale

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.