Home / 39,540,621.12-59,349,239.55-19,084,718.76

Finding the Fourth Proportional to 39,540,621.12, 59,349,239.55 and 19,084,718.76

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Solution

The fourth proportional to 39,540,621.12, 59,349,239.55 and 19,084,718.76 is: 28,645,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,540,621.12 : 59,349,239.55 = 19,084,718.76 : x
  2. Step 2: Convert to fraction form
    39,540,621.12/59,349,239.55 = 19,084,718.76/x
  3. Step 3: Cross multiply
    39,540,621.12x = 59,349,239.55 × 19,084,718.76
  4. Step 4: Simplify right side
    39,540,621.12x = 1,132,663,545,431,619
  5. Step 5: Solve for x
    x = 1,132,663,545,431,619/39,540,621.12
  6. Step 6: Final answer
    x = 28,645,567.86

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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.