Home / 7,480,509.12-10,318,315.68-5,187,833.28

Finding the Fourth Proportional to 7,480,509.12, 10,318,315.68 and 5,187,833.28

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Solution

The fourth proportional to 7,480,509.12, 10,318,315.68 and 5,187,833.28 is: 7,155,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,509.12 : 10,318,315.68 = 5,187,833.28 : x
  2. Step 2: Convert to fraction form
    7,480,509.12/10,318,315.68 = 5,187,833.28/x
  3. Step 3: Cross multiply
    7,480,509.12x = 10,318,315.68 × 5,187,833.28
  4. Step 4: Simplify right side
    7,480,509.12x = 53,529,701,478,249.83
  5. Step 5: Solve for x
    x = 53,529,701,478,249.83/7,480,509.12
  6. Step 6: Final answer
    x = 7,155,890.14

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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.