Home / 13,486,547.70-20,229,821.55-4,965,120.90

Finding the Fourth Proportional to 13,486,547.70, 20,229,821.55 and 4,965,120.90

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Solution

The fourth proportional to 13,486,547.70, 20,229,821.55 and 4,965,120.90 is: 7,447,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,547.70 : 20,229,821.55 = 4,965,120.90 : x
  2. Step 2: Convert to fraction form
    13,486,547.70/20,229,821.55 = 4,965,120.90/x
  3. Step 3: Cross multiply
    13,486,547.70x = 20,229,821.55 × 4,965,120.90
  4. Step 4: Simplify right side
    13,486,547.70x = 100,443,509,781,175.41
  5. Step 5: Solve for x
    x = 100,443,509,781,175.41/13,486,547.70
  6. Step 6: Final answer
    x = 7,447,681.35

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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.