Home / 21,505,638.06-32,258,457.27-12,523,891.50

Finding the Fourth Proportional to 21,505,638.06, 32,258,457.27 and 12,523,891.50

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Solution

The fourth proportional to 21,505,638.06, 32,258,457.27 and 12,523,891.50 is: 18,785,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,638.06 : 32,258,457.27 = 12,523,891.50 : x
  2. Step 2: Convert to fraction form
    21,505,638.06/32,258,457.27 = 12,523,891.50/x
  3. Step 3: Cross multiply
    21,505,638.06x = 32,258,457.27 × 12,523,891.50
  4. Step 4: Simplify right side
    21,505,638.06x = 404,001,418,806,866.19
  5. Step 5: Solve for x
    x = 404,001,418,806,866.19/21,505,638.06
  6. Step 6: Final answer
    x = 18,785,837.35

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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.