Home / 22,421,689.20-30,941,930.81-12,108,411.38

Finding the Fourth Proportional to 22,421,689.20, 30,941,930.81 and 12,108,411.38

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Solution

The fourth proportional to 22,421,689.20, 30,941,930.81 and 12,108,411.38 is: 16,709,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,689.20 : 30,941,930.81 = 12,108,411.38 : x
  2. Step 2: Convert to fraction form
    22,421,689.20/30,941,930.81 = 12,108,411.38/x
  3. Step 3: Cross multiply
    22,421,689.20x = 30,941,930.81 × 12,108,411.38
  4. Step 4: Simplify right side
    22,421,689.20x = 374,657,627,246,602.50
  5. Step 5: Solve for x
    x = 374,657,627,246,602.50/22,421,689.20
  6. Step 6: Final answer
    x = 16,709,607.55

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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.