Home / 20,142,288.48-27,796,362.08-10,974,931.24

Finding the Fourth Proportional to 20,142,288.48, 27,796,362.08 and 10,974,931.24

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Solution

The fourth proportional to 20,142,288.48, 27,796,362.08 and 10,974,931.24 is: 15,145,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,288.48 : 27,796,362.08 = 10,974,931.24 : x
  2. Step 2: Convert to fraction form
    20,142,288.48/27,796,362.08 = 10,974,931.24/x
  3. Step 3: Cross multiply
    20,142,288.48x = 27,796,362.08 × 10,974,931.24
  4. Step 4: Simplify right side
    20,142,288.48x = 305,063,162,550,143.38
  5. Step 5: Solve for x
    x = 305,063,162,550,143.38/20,142,288.48
  6. Step 6: Final answer
    x = 15,145,407.28

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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.