Home / 10,085,736.20-13,917,242.73-5,675,384.81

Finding the Fourth Proportional to 10,085,736.20, 13,917,242.73 and 5,675,384.81

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Solution

The fourth proportional to 10,085,736.20, 13,917,242.73 and 5,675,384.81 is: 7,831,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085,736.20 : 13,917,242.73 = 5,675,384.81 : x
  2. Step 2: Convert to fraction form
    10,085,736.20/13,917,242.73 = 5,675,384.81/x
  3. Step 3: Cross multiply
    10,085,736.20x = 13,917,242.73 × 5,675,384.81
  4. Step 4: Simplify right side
    10,085,736.20x = 78,985,707,986,924.92
  5. Step 5: Solve for x
    x = 78,985,707,986,924.92/10,085,736.20
  6. Step 6: Final answer
    x = 7,831,427.12

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1.5x scale

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.