Home / 20,142,270.71-27,796,337.58-10,974,913.46

Finding the Fourth Proportional to 20,142,270.71, 27,796,337.58 and 10,974,913.46

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Solution

The fourth proportional to 20,142,270.71, 27,796,337.58 and 10,974,913.46 is: 15,145,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,270.71 : 27,796,337.58 = 10,974,913.46 : x
  2. Step 2: Convert to fraction form
    20,142,270.71/27,796,337.58 = 10,974,913.46/x
  3. Step 3: Cross multiply
    20,142,270.71x = 27,796,337.58 × 10,974,913.46
  4. Step 4: Simplify right side
    20,142,270.71x = 305,062,399,445,445.81
  5. Step 5: Solve for x
    x = 305,062,399,445,445.81/20,142,270.71
  6. Step 6: Final answer
    x = 15,145,382.75

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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.