Home / 7,185,811.32-9,914,064.66-5,121,152.10

Finding the Fourth Proportional to 7,185,811.32, 9,914,064.66 and 5,121,152.10

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Solution

The fourth proportional to 7,185,811.32, 9,914,064.66 and 5,121,152.10 is: 7,065,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,811.32 : 9,914,064.66 = 5,121,152.10 : x
  2. Step 2: Convert to fraction form
    7,185,811.32/9,914,064.66 = 5,121,152.10/x
  3. Step 3: Cross multiply
    7,185,811.32x = 9,914,064.66 × 5,121,152.10
  4. Step 4: Simplify right side
    7,185,811.32x = 50,771,433,053,094.78
  5. Step 5: Solve for x
    x = 50,771,433,053,094.78/7,185,811.32
  6. Step 6: Final answer
    x = 7,065,511.57

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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.