Home / 7,239,552.12-9,992,321.81-4,143,870.23

Finding the Fourth Proportional to 7,239,552.12, 9,992,321.81 and 4,143,870.23

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Solution

The fourth proportional to 7,239,552.12, 9,992,321.81 and 4,143,870.23 is: 5,719,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,552.12 : 9,992,321.81 = 4,143,870.23 : x
  2. Step 2: Convert to fraction form
    7,239,552.12/9,992,321.81 = 4,143,870.23/x
  3. Step 3: Cross multiply
    7,239,552.12x = 9,992,321.81 × 4,143,870.23
  4. Step 4: Simplify right side
    7,239,552.12x = 41,406,884,877,038.72
  5. Step 5: Solve for x
    x = 41,406,884,877,038.72/7,239,552.12
  6. Step 6: Final answer
    x = 5,719,536.82

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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.