Home / 7,077,530.28-9,766,702.02-3,979,965.48

Finding the Fourth Proportional to 7,077,530.28, 9,766,702.02 and 3,979,965.48

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Solution

The fourth proportional to 7,077,530.28, 9,766,702.02 and 3,979,965.48 is: 5,492,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077,530.28 : 9,766,702.02 = 3,979,965.48 : x
  2. Step 2: Convert to fraction form
    7,077,530.28/9,766,702.02 = 3,979,965.48/x
  3. Step 3: Cross multiply
    7,077,530.28x = 9,766,702.02 × 3,979,965.48
  4. Step 4: Simplify right side
    7,077,530.28x = 38,871,136,893,046.27
  5. Step 5: Solve for x
    x = 38,871,136,893,046.27/7,077,530.28
  6. Step 6: Final answer
    x = 5,492,189.42

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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.