Home / 13,288,298.80-19,920,006.60-10,408,068.40

Finding the Fourth Proportional to 13,288,298.80, 19,920,006.60 and 10,408,068.40

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Solution

The fourth proportional to 13,288,298.80, 19,920,006.60 and 10,408,068.40 is: 15,602,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,298.80 : 19,920,006.60 = 10,408,068.40 : x
  2. Step 2: Convert to fraction form
    13,288,298.80/19,920,006.60 = 10,408,068.40/x
  3. Step 3: Cross multiply
    13,288,298.80x = 19,920,006.60 × 10,408,068.40
  4. Step 4: Simplify right side
    13,288,298.80x = 207,328,791,221,251.47
  5. Step 5: Solve for x
    x = 207,328,791,221,251.47/13,288,298.80
  6. Step 6: Final answer
    x = 15,602,357.71

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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.