Home / 15,036,851.71-20,671,079.78-12,936,027.79

Finding the Fourth Proportional to 15,036,851.71, 20,671,079.78 and 12,936,027.79

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Solution

The fourth proportional to 15,036,851.71, 20,671,079.78 and 12,936,027.79 is: 17,783,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,851.71 : 20,671,079.78 = 12,936,027.79 : x
  2. Step 2: Convert to fraction form
    15,036,851.71/20,671,079.78 = 12,936,027.79/x
  3. Step 3: Cross multiply
    15,036,851.71x = 20,671,079.78 × 12,936,027.79
  4. Step 4: Simplify right side
    15,036,851.71x = 267,401,662,483,387.09
  5. Step 5: Solve for x
    x = 267,401,662,483,387.09/15,036,851.71
  6. Step 6: Final answer
    x = 17,783,088.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.