Home / 22,120,390.94-30,527,801.86-12,827,880.32

Finding the Fourth Proportional to 22,120,390.94, 30,527,801.86 and 12,827,880.32

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Solution

The fourth proportional to 22,120,390.94, 30,527,801.86 and 12,827,880.32 is: 17,703,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120,390.94 : 30,527,801.86 = 12,827,880.32 : x
  2. Step 2: Convert to fraction form
    22,120,390.94/30,527,801.86 = 12,827,880.32/x
  3. Step 3: Cross multiply
    22,120,390.94x = 30,527,801.86 × 12,827,880.32
  4. Step 4: Simplify right side
    22,120,390.94x = 391,606,988,692,753.38
  5. Step 5: Solve for x
    x = 391,606,988,692,753.38/22,120,390.94
  6. Step 6: Final answer
    x = 17,703,438.87

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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.