Home / 7,720,931.60-11,585,544.60-3,233,661.20

Finding the Fourth Proportional to 7,720,931.60, 11,585,544.60 and 3,233,661.20

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Solution

The fourth proportional to 7,720,931.60, 11,585,544.60 and 3,233,661.20 is: 4,852,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,931.60 : 11,585,544.60 = 3,233,661.20 : x
  2. Step 2: Convert to fraction form
    7,720,931.60/11,585,544.60 = 3,233,661.20/x
  3. Step 3: Cross multiply
    7,720,931.60x = 11,585,544.60 × 3,233,661.20
  4. Step 4: Simplify right side
    7,720,931.60x = 37,463,726,053,889.52
  5. Step 5: Solve for x
    x = 37,463,726,053,889.52/7,720,931.60
  6. Step 6: Final answer
    x = 4,852,228.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.