Home / 13,288,261.80-19,919,951.10-10,408,031.40

Finding the Fourth Proportional to 13,288,261.80, 19,919,951.10 and 10,408,031.40

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Solution

The fourth proportional to 13,288,261.80, 19,919,951.10 and 10,408,031.40 is: 15,602,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,261.80 : 19,919,951.10 = 10,408,031.40 : x
  2. Step 2: Convert to fraction form
    13,288,261.80/19,919,951.10 = 10,408,031.40/x
  3. Step 3: Cross multiply
    13,288,261.80x = 19,919,951.10 × 10,408,031.40
  4. Step 4: Simplify right side
    13,288,261.80x = 207,327,476,535,264.56
  5. Step 5: Solve for x
    x = 207,327,476,535,264.56/13,288,261.80
  6. Step 6: Final answer
    x = 15,602,302.22

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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.