Home / 20,045,343.38-27,662,591.58-10,877,986.13

Finding the Fourth Proportional to 20,045,343.38, 27,662,591.58 and 10,877,986.13

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Solution

The fourth proportional to 20,045,343.38, 27,662,591.58 and 10,877,986.13 is: 15,011,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,343.38 : 27,662,591.58 = 10,877,986.13 : x
  2. Step 2: Convert to fraction form
    20,045,343.38/27,662,591.58 = 10,877,986.13/x
  3. Step 3: Cross multiply
    20,045,343.38x = 27,662,591.58 × 10,877,986.13
  4. Step 4: Simplify right side
    20,045,343.38x = 300,913,287,527,094.81
  5. Step 5: Solve for x
    x = 300,913,287,527,094.81/20,045,343.38
  6. Step 6: Final answer
    x = 15,011,630.47

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1.5x scale

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.