Home / 7,480,719.17-11,223,077.81-2,688,449.96

Finding the Fourth Proportional to 7,480,719.17, 11,223,077.81 and 2,688,449.96

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Solution

The fourth proportional to 7,480,719.17, 11,223,077.81 and 2,688,449.96 is: 4,033,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,719.17 : 11,223,077.81 = 2,688,449.96 : x
  2. Step 2: Convert to fraction form
    7,480,719.17/11,223,077.81 = 2,688,449.96/x
  3. Step 3: Cross multiply
    7,480,719.17x = 11,223,077.81 × 2,688,449.96
  4. Step 4: Simplify right side
    7,480,719.17x = 30,172,683,039,977.12
  5. Step 5: Solve for x
    x = 30,172,683,039,977.12/7,480,719.17
  6. Step 6: Final answer
    x = 4,033,393.36

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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.