Home / 12,340,440.48-18,517,748.55-9,637,177.26

Finding the Fourth Proportional to 12,340,440.48, 18,517,748.55 and 9,637,177.26

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Solution

The fourth proportional to 12,340,440.48, 18,517,748.55 and 9,637,177.26 is: 14,461,301.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340,440.48 : 18,517,748.55 = 9,637,177.26 : x
  2. Step 2: Convert to fraction form
    12,340,440.48/18,517,748.55 = 9,637,177.26/x
  3. Step 3: Cross multiply
    12,340,440.48x = 18,517,748.55 × 9,637,177.26
  4. Step 4: Simplify right side
    12,340,440.48x = 178,458,825,232,457.97
  5. Step 5: Solve for x
    x = 178,458,825,232,457.97/12,340,440.48
  6. Step 6: Final answer
    x = 14,461,301.08

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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.