Home / 22,231,637.47-30,682,881.80-12,810,595.59

Finding the Fourth Proportional to 22,231,637.47, 30,682,881.80 and 12,810,595.59

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Solution

The fourth proportional to 22,231,637.47, 30,682,881.80 and 12,810,595.59 is: 17,680,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231,637.47 : 30,682,881.80 = 12,810,595.59 : x
  2. Step 2: Convert to fraction form
    22,231,637.47/30,682,881.80 = 12,810,595.59/x
  3. Step 3: Cross multiply
    22,231,637.47x = 30,682,881.80 × 12,810,595.59
  4. Step 4: Simplify right side
    22,231,637.47x = 393,065,990,198,406.19
  5. Step 5: Solve for x
    x = 393,065,990,198,406.19/22,231,637.47
  6. Step 6: Final answer
    x = 17,680,478.58

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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.