Home / 20,357,944.90-28,094,152.04-11,065,536.84

Finding the Fourth Proportional to 20,357,944.90, 28,094,152.04 and 11,065,536.84

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Solution

The fourth proportional to 20,357,944.90, 28,094,152.04 and 11,065,536.84 is: 15,270,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,944.90 : 28,094,152.04 = 11,065,536.84 : x
  2. Step 2: Convert to fraction form
    20,357,944.90/28,094,152.04 = 11,065,536.84/x
  3. Step 3: Cross multiply
    20,357,944.90x = 28,094,152.04 × 11,065,536.84
  4. Step 4: Simplify right side
    20,357,944.90x = 310,876,874,191,382.75
  5. Step 5: Solve for x
    x = 310,876,874,191,382.75/20,357,944.90
  6. Step 6: Final answer
    x = 15,270,543.06

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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.