Home / 40,987,205.16-61,471,742.76-11,834,718.72

Finding the Fourth Proportional to 40,987,205.16, 61,471,742.76 and 11,834,718.72

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Solution

The fourth proportional to 40,987,205.16, 61,471,742.76 and 11,834,718.72 is: 17,749,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,987,205.16 : 61,471,742.76 = 11,834,718.72 : x
  2. Step 2: Convert to fraction form
    40,987,205.16/61,471,742.76 = 11,834,718.72/x
  3. Step 3: Cross multiply
    40,987,205.16x = 61,471,742.76 × 11,834,718.72
  4. Step 4: Simplify right side
    40,987,205.16x = 727,500,784,792,796.50
  5. Step 5: Solve for x
    x = 727,500,784,792,796.50/40,987,205.16
  6. Step 6: Final answer
    x = 17,749,460.64

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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.