Home / 15,343,867.91-23,018,833.85-5,628,571.13

Finding the Fourth Proportional to 15,343,867.91, 23,018,833.85 and 5,628,571.13

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Solution

The fourth proportional to 15,343,867.91, 23,018,833.85 and 5,628,571.13 is: 8,443,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343,867.91 : 23,018,833.85 = 5,628,571.13 : x
  2. Step 2: Convert to fraction form
    15,343,867.91/23,018,833.85 = 5,628,571.13/x
  3. Step 3: Cross multiply
    15,343,867.91x = 23,018,833.85 × 5,628,571.13
  4. Step 4: Simplify right side
    15,343,867.91x = 129,563,143,733,977.02
  5. Step 5: Solve for x
    x = 129,563,143,733,977.02/15,343,867.91
  6. Step 6: Final answer
    x = 8,443,968.92

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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.