Home / 20,748,010.02-31,123,509.86-7,968,514.69

Finding the Fourth Proportional to 20,748,010.02, 31,123,509.86 and 7,968,514.69

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Solution

The fourth proportional to 20,748,010.02, 31,123,509.86 and 7,968,514.69 is: 11,953,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,748,010.02 : 31,123,509.86 = 7,968,514.69 : x
  2. Step 2: Convert to fraction form
    20,748,010.02/31,123,509.86 = 7,968,514.69/x
  3. Step 3: Cross multiply
    20,748,010.02x = 31,123,509.86 × 7,968,514.69
  4. Step 4: Simplify right side
    20,748,010.02x = 248,008,145,523,769.84
  5. Step 5: Solve for x
    x = 248,008,145,523,769.84/20,748,010.02
  6. Step 6: Final answer
    x = 11,953,346.14

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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.