Home / 6,428,266.91-8,871,116.12-3,527,927.65

Finding the Fourth Proportional to 6,428,266.91, 8,871,116.12 and 3,527,927.65

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Solution

The fourth proportional to 6,428,266.91, 8,871,116.12 and 3,527,927.65 is: 4,868,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,266.91 : 8,871,116.12 = 3,527,927.65 : x
  2. Step 2: Convert to fraction form
    6,428,266.91/8,871,116.12 = 3,527,927.65/x
  3. Step 3: Cross multiply
    6,428,266.91x = 8,871,116.12 × 3,527,927.65
  4. Step 4: Simplify right side
    6,428,266.91x = 31,296,655,846,108.71
  5. Step 5: Solve for x
    x = 31,296,655,846,108.71/6,428,266.91
  6. Step 6: Final answer
    x = 4,868,599.31

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Double scale
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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.