Home / 19,123,902.28-26,395,244.72-12,153,220.62

Finding the Fourth Proportional to 19,123,902.28, 26,395,244.72 and 12,153,220.62

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Solution

The fourth proportional to 19,123,902.28, 26,395,244.72 and 12,153,220.62 is: 16,774,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,902.28 : 26,395,244.72 = 12,153,220.62 : x
  2. Step 2: Convert to fraction form
    19,123,902.28/26,395,244.72 = 12,153,220.62/x
  3. Step 3: Cross multiply
    19,123,902.28x = 26,395,244.72 × 12,153,220.62
  4. Step 4: Simplify right side
    19,123,902.28x = 320,787,232,472,461.38
  5. Step 5: Solve for x
    x = 320,787,232,472,461.38/19,123,902.28
  6. Step 6: Final answer
    x = 16,774,151.42

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Double scale
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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.