Home / 40,284,538.40-60,444,666.48-21,110,736.80

Finding the Fourth Proportional to 40,284,538.40, 60,444,666.48 and 21,110,736.80

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Solution

The fourth proportional to 40,284,538.40, 60,444,666.48 and 21,110,736.80 is: 31,675,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284,538.40 : 60,444,666.48 = 21,110,736.80 : x
  2. Step 2: Convert to fraction form
    40,284,538.40/60,444,666.48 = 21,110,736.80/x
  3. Step 3: Cross multiply
    40,284,538.40x = 60,444,666.48 × 21,110,736.80
  4. Step 4: Simplify right side
    40,284,538.40x = 1,276,031,445,023,062.50
  5. Step 5: Solve for x
    x = 1,276,031,445,023,062.50/40,284,538.40
  6. Step 6: Final answer
    x = 31,675,463.98

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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.