Home / 8,802,187.40-13,187,534.70-5,432,457.80

Finding the Fourth Proportional to 8,802,187.40, 13,187,534.70 and 5,432,457.80

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Solution

The fourth proportional to 8,802,187.40, 13,187,534.70 and 5,432,457.80 is: 8,138,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802,187.40 : 13,187,534.70 = 5,432,457.80 : x
  2. Step 2: Convert to fraction form
    8,802,187.40/13,187,534.70 = 5,432,457.80/x
  3. Step 3: Cross multiply
    8,802,187.40x = 13,187,534.70 × 5,432,457.80
  4. Step 4: Simplify right side
    8,802,187.40x = 71,640,725,743,785.66
  5. Step 5: Solve for x
    x = 71,640,725,743,785.66/8,802,187.40
  6. Step 6: Final answer
    x = 8,138,968.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.