Home / 6,979,275.54-9,638,743.02-6,218,476.56

Finding the Fourth Proportional to 6,979,275.54, 9,638,743.02 and 6,218,476.56

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Solution

The fourth proportional to 6,979,275.54, 9,638,743.02 and 6,218,476.56 is: 8,588,040.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,275.54 : 9,638,743.02 = 6,218,476.56 : x
  2. Step 2: Convert to fraction form
    6,979,275.54/9,638,743.02 = 6,218,476.56/x
  3. Step 3: Cross multiply
    6,979,275.54x = 9,638,743.02 × 6,218,476.56
  4. Step 4: Simplify right side
    6,979,275.54x = 59,938,297,537,733.60
  5. Step 5: Solve for x
    x = 59,938,297,537,733.60/6,979,275.54
  6. Step 6: Final answer
    x = 8,588,040.00

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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.