Home / 15,065,876.14-20,791,083.58-8,360,346.40

Finding the Fourth Proportional to 15,065,876.14, 20,791,083.58 and 8,360,346.40

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Solution

The fourth proportional to 15,065,876.14, 20,791,083.58 and 8,360,346.40 is: 11,537,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065,876.14 : 20,791,083.58 = 8,360,346.40 : x
  2. Step 2: Convert to fraction form
    15,065,876.14/20,791,083.58 = 8,360,346.40/x
  3. Step 3: Cross multiply
    15,065,876.14x = 20,791,083.58 × 8,360,346.40
  4. Step 4: Simplify right side
    15,065,876.14x = 173,820,660,760,152.09
  5. Step 5: Solve for x
    x = 173,820,660,760,152.09/15,065,876.14
  6. Step 6: Final answer
    x = 11,537,374.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.