Home / 10,186,979.28-14,058,149.04-5,603,334

Finding the Fourth Proportional to 10,186,979.28, 14,058,149.04 and 5,603,334

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Solution

The fourth proportional to 10,186,979.28, 14,058,149.04 and 5,603,334 is: 7,732,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186,979.28 : 14,058,149.04 = 5,603,334 : x
  2. Step 2: Convert to fraction form
    10,186,979.28/14,058,149.04 = 5,603,334/x
  3. Step 3: Cross multiply
    10,186,979.28x = 14,058,149.04 × 5,603,334
  4. Step 4: Simplify right side
    10,186,979.28x = 78,772,504,492,899.36
  5. Step 5: Solve for x
    x = 78,772,504,492,899.36/10,186,979.28
  6. Step 6: Final answer
    x = 7,732,665.62

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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.