Home / 10,031,007.80-13,847,028-6,772,236.32

Finding the Fourth Proportional to 10,031,007.80, 13,847,028 and 6,772,236.32

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Solution

The fourth proportional to 10,031,007.80, 13,847,028 and 6,772,236.32 is: 9,348,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031,007.80 : 13,847,028 = 6,772,236.32 : x
  2. Step 2: Convert to fraction form
    10,031,007.80/13,847,028 = 6,772,236.32/x
  3. Step 3: Cross multiply
    10,031,007.80x = 13,847,028 × 6,772,236.32
  4. Step 4: Simplify right side
    10,031,007.80x = 93,775,345,945,656.97
  5. Step 5: Solve for x
    x = 93,775,345,945,656.97/10,031,007.80
  6. Step 6: Final answer
    x = 9,348,546.81

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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.