Home / 23,186,145.09-31,995,630.83-12,872,204.49

Finding the Fourth Proportional to 23,186,145.09, 31,995,630.83 and 12,872,204.49

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Solution

The fourth proportional to 23,186,145.09, 31,995,630.83 and 12,872,204.49 is: 17,762,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186,145.09 : 31,995,630.83 = 12,872,204.49 : x
  2. Step 2: Convert to fraction form
    23,186,145.09/31,995,630.83 = 12,872,204.49/x
  3. Step 3: Cross multiply
    23,186,145.09x = 31,995,630.83 × 12,872,204.49
  4. Step 4: Simplify right side
    23,186,145.09x = 411,854,302,765,947.38
  5. Step 5: Solve for x
    x = 411,854,302,765,947.38/23,186,145.09
  6. Step 6: Final answer
    x = 17,762,948.57

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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.