Home / 8,606,686.16-12,911,732.87-2,458,720.89

Finding the Fourth Proportional to 8,606,686.16, 12,911,732.87 and 2,458,720.89

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Solution

The fourth proportional to 8,606,686.16, 12,911,732.87 and 2,458,720.89 is: 3,688,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606,686.16 : 12,911,732.87 = 2,458,720.89 : x
  2. Step 2: Convert to fraction form
    8,606,686.16/12,911,732.87 = 2,458,720.89/x
  3. Step 3: Cross multiply
    8,606,686.16x = 12,911,732.87 × 2,458,720.89
  4. Step 4: Simplify right side
    8,606,686.16x = 31,746,347,333,568.65
  5. Step 5: Solve for x
    x = 31,746,347,333,568.65/8,606,686.16
  6. Step 6: Final answer
    x = 3,688,568.02

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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.