Home / 7,225,210.80-9,961,145.16-5,739,990.42

Finding the Fourth Proportional to 7,225,210.80, 9,961,145.16 and 5,739,990.42

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Solution

The fourth proportional to 7,225,210.80, 9,961,145.16 and 5,739,990.42 is: 7,913,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225,210.80 : 9,961,145.16 = 5,739,990.42 : x
  2. Step 2: Convert to fraction form
    7,225,210.80/9,961,145.16 = 5,739,990.42/x
  3. Step 3: Cross multiply
    7,225,210.80x = 9,961,145.16 × 5,739,990.42
  4. Step 4: Simplify right side
    7,225,210.80x = 57,176,877,790,629.37
  5. Step 5: Solve for x
    x = 57,176,877,790,629.37/7,225,210.80
  6. Step 6: Final answer
    x = 7,913,523.82

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Double scale
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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.