Home / 22,137,161.22-30,547,966.86-12,844,011.42

Finding the Fourth Proportional to 22,137,161.22, 30,547,966.86 and 12,844,011.42

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Solution

The fourth proportional to 22,137,161.22, 30,547,966.86 and 12,844,011.42 is: 17,723,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137,161.22 : 30,547,966.86 = 12,844,011.42 : x
  2. Step 2: Convert to fraction form
    22,137,161.22/30,547,966.86 = 12,844,011.42/x
  3. Step 3: Cross multiply
    22,137,161.22x = 30,547,966.86 × 12,844,011.42
  4. Step 4: Simplify right side
    22,137,161.22x = 392,358,435,207,621.56
  5. Step 5: Solve for x
    x = 392,358,435,207,621.56/22,137,161.22
  6. Step 6: Final answer
    x = 17,723,972.43

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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.