Home / 8,642,069.01-11,920,784.78-5,543,549.28

Finding the Fourth Proportional to 8,642,069.01, 11,920,784.78 and 5,543,549.28

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Solution

The fourth proportional to 8,642,069.01, 11,920,784.78 and 5,543,549.28 is: 7,646,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,069.01 : 11,920,784.78 = 5,543,549.28 : x
  2. Step 2: Convert to fraction form
    8,642,069.01/11,920,784.78 = 5,543,549.28/x
  3. Step 3: Cross multiply
    8,642,069.01x = 11,920,784.78 × 5,543,549.28
  4. Step 4: Simplify right side
    8,642,069.01x = 66,083,457,898,062.84
  5. Step 5: Solve for x
    x = 66,083,457,898,062.84/8,642,069.01
  6. Step 6: Final answer
    x = 7,646,717.22

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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.