Home / 26,448,047.80-39,672,071.70-18,721,814.20

Finding the Fourth Proportional to 26,448,047.80, 39,672,071.70 and 18,721,814.20

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Solution

The fourth proportional to 26,448,047.80, 39,672,071.70 and 18,721,814.20 is: 28,082,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448,047.80 : 39,672,071.70 = 18,721,814.20 : x
  2. Step 2: Convert to fraction form
    26,448,047.80/39,672,071.70 = 18,721,814.20/x
  3. Step 3: Cross multiply
    26,448,047.80x = 39,672,071.70 × 18,721,814.20
  4. Step 4: Simplify right side
    26,448,047.80x = 742,733,155,296,478.12
  5. Step 5: Solve for x
    x = 742,733,155,296,478.12/26,448,047.80
  6. Step 6: Final answer
    x = 28,082,721.30

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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.