Home / 18,460,865.70-27,691,298.55-13,359,032.10

Finding the Fourth Proportional to 18,460,865.70, 27,691,298.55 and 13,359,032.10

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Solution

The fourth proportional to 18,460,865.70, 27,691,298.55 and 13,359,032.10 is: 20,038,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460,865.70 : 27,691,298.55 = 13,359,032.10 : x
  2. Step 2: Convert to fraction form
    18,460,865.70/27,691,298.55 = 13,359,032.10/x
  3. Step 3: Cross multiply
    18,460,865.70x = 27,691,298.55 × 13,359,032.10
  4. Step 4: Simplify right side
    18,460,865.70x = 369,928,946,220,133.44
  5. Step 5: Solve for x
    x = 369,928,946,220,133.44/18,460,865.70
  6. Step 6: Final answer
    x = 20,038,548.15

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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.