Home / 13,302,419.70-19,930,009.95-12,452,114.10

Finding the Fourth Proportional to 13,302,419.70, 19,930,009.95 and 12,452,114.10

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Solution

The fourth proportional to 13,302,419.70, 19,930,009.95 and 12,452,114.10 is: 18,656,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,419.70 : 19,930,009.95 = 12,452,114.10 : x
  2. Step 2: Convert to fraction form
    13,302,419.70/19,930,009.95 = 12,452,114.10/x
  3. Step 3: Cross multiply
    13,302,419.70x = 19,930,009.95 × 12,452,114.10
  4. Step 4: Simplify right side
    13,302,419.70x = 248,170,757,911,535.28
  5. Step 5: Solve for x
    x = 248,170,757,911,535.28/13,302,419.70
  6. Step 6: Final answer
    x = 18,656,061.34

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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.