Home / 13,521,377.79-20,283,001.63-5,434,360.27

Finding the Fourth Proportional to 13,521,377.79, 20,283,001.63 and 5,434,360.27

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Solution

The fourth proportional to 13,521,377.79, 20,283,001.63 and 5,434,360.27 is: 8,151,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,377.79 : 20,283,001.63 = 5,434,360.27 : x
  2. Step 2: Convert to fraction form
    13,521,377.79/20,283,001.63 = 5,434,360.27/x
  3. Step 3: Cross multiply
    13,521,377.79x = 20,283,001.63 × 5,434,360.27
  4. Step 4: Simplify right side
    13,521,377.79x = 110,225,138,150,123.84
  5. Step 5: Solve for x
    x = 110,225,138,150,123.84/13,521,377.79
  6. Step 6: Final answer
    x = 8,151,916.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.