Home / 11,688,321.40-17,532,482.10-5,311,029.40

Finding the Fourth Proportional to 11,688,321.40, 17,532,482.10 and 5,311,029.40

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Solution

The fourth proportional to 11,688,321.40, 17,532,482.10 and 5,311,029.40 is: 7,966,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688,321.40 : 17,532,482.10 = 5,311,029.40 : x
  2. Step 2: Convert to fraction form
    11,688,321.40/17,532,482.10 = 5,311,029.40/x
  3. Step 3: Cross multiply
    11,688,321.40x = 17,532,482.10 × 5,311,029.40
  4. Step 4: Simplify right side
    11,688,321.40x = 93,115,527,888,073.75
  5. Step 5: Solve for x
    x = 93,115,527,888,073.75/11,688,321.40
  6. Step 6: Final answer
    x = 7,966,544.10

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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.