Home / 10,808,805.40-14,916,040.86-5,979,943.96

Finding the Fourth Proportional to 10,808,805.40, 14,916,040.86 and 5,979,943.96

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Solution

The fourth proportional to 10,808,805.40, 14,916,040.86 and 5,979,943.96 is: 8,252,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808,805.40 : 14,916,040.86 = 5,979,943.96 : x
  2. Step 2: Convert to fraction form
    10,808,805.40/14,916,040.86 = 5,979,943.96/x
  3. Step 3: Cross multiply
    10,808,805.40x = 14,916,040.86 × 5,979,943.96
  4. Step 4: Simplify right side
    10,808,805.40x = 89,197,088,447,870.20
  5. Step 5: Solve for x
    x = 89,197,088,447,870.20/10,808,805.40
  6. Step 6: Final answer
    x = 8,252,261.48

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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.