Home / 20,065,055.20-27,688,849.36-11,363,290.08

Finding the Fourth Proportional to 20,065,055.20, 27,688,849.36 and 11,363,290.08

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Solution

The fourth proportional to 20,065,055.20, 27,688,849.36 and 11,363,290.08 is: 15,680,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,055.20 : 27,688,849.36 = 11,363,290.08 : x
  2. Step 2: Convert to fraction form
    20,065,055.20/27,688,849.36 = 11,363,290.08/x
  3. Step 3: Cross multiply
    20,065,055.20x = 27,688,849.36 × 11,363,290.08
  4. Step 4: Simplify right side
    20,065,055.20x = 314,636,427,259,102.38
  5. Step 5: Solve for x
    x = 314,636,427,259,102.38/20,065,055.20
  6. Step 6: Final answer
    x = 15,680,815.43

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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.