Home / 15,270,731.75-21,073,746.94-8,301,422.80

Finding the Fourth Proportional to 15,270,731.75, 21,073,746.94 and 8,301,422.80

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Solution

The fourth proportional to 15,270,731.75, 21,073,746.94 and 8,301,422.80 is: 11,456,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270,731.75 : 21,073,746.94 = 8,301,422.80 : x
  2. Step 2: Convert to fraction form
    15,270,731.75/21,073,746.94 = 8,301,422.80/x
  3. Step 3: Cross multiply
    15,270,731.75x = 21,073,746.94 × 8,301,422.80
  4. Step 4: Simplify right side
    15,270,731.75x = 174,942,083,358,086.75
  5. Step 5: Solve for x
    x = 174,942,083,358,086.75/15,270,731.75
  6. Step 6: Final answer
    x = 11,456,038.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.