Home / 8,130,065.48-11,216,290.02-4,691,642.12

Finding the Fourth Proportional to 8,130,065.48, 11,216,290.02 and 4,691,642.12

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Solution

The fourth proportional to 8,130,065.48, 11,216,290.02 and 4,691,642.12 is: 6,472,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,065.48 : 11,216,290.02 = 4,691,642.12 : x
  2. Step 2: Convert to fraction form
    8,130,065.48/11,216,290.02 = 4,691,642.12/x
  3. Step 3: Cross multiply
    8,130,065.48x = 11,216,290.02 × 4,691,642.12
  4. Step 4: Simplify right side
    8,130,065.48x = 52,622,818,687,967.64
  5. Step 5: Solve for x
    x = 52,622,818,687,967.64/8,130,065.48
  6. Step 6: Final answer
    x = 6,472,619.29

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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.