Home / 20,223,581.49-27,908,641.13-11,056,224.69

Finding the Fourth Proportional to 20,223,581.49, 27,908,641.13 and 11,056,224.69

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Solution

The fourth proportional to 20,223,581.49, 27,908,641.13 and 11,056,224.69 is: 15,257,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,581.49 : 27,908,641.13 = 11,056,224.69 : x
  2. Step 2: Convert to fraction form
    20,223,581.49/27,908,641.13 = 11,056,224.69/x
  3. Step 3: Cross multiply
    20,223,581.49x = 27,908,641.13 × 11,056,224.69
  4. Step 4: Simplify right side
    20,223,581.49x = 308,564,207,070,574.38
  5. Step 5: Solve for x
    x = 308,564,207,070,574.38/20,223,581.49
  6. Step 6: Final answer
    x = 15,257,644.01

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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.