Home / 10,546,876.81-15,821,785.77-3,260,931.40

Finding the Fourth Proportional to 10,546,876.81, 15,821,785.77 and 3,260,931.40

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Solution

The fourth proportional to 10,546,876.81, 15,821,785.77 and 3,260,931.40 is: 4,891,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546,876.81 : 15,821,785.77 = 3,260,931.40 : x
  2. Step 2: Convert to fraction form
    10,546,876.81/15,821,785.77 = 3,260,931.40/x
  3. Step 3: Cross multiply
    10,546,876.81x = 15,821,785.77 × 3,260,931.40
  4. Step 4: Simplify right side
    10,546,876.81x = 51,593,758,021,466.17
  5. Step 5: Solve for x
    x = 51,593,758,021,466.17/10,546,876.81
  6. Step 6: Final answer
    x = 4,891,851.77

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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.