Home / 25,448,823.64-38,190,031.62-13,489,957.72

Finding the Fourth Proportional to 25,448,823.64, 38,190,031.62 and 13,489,957.72

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Solution

The fourth proportional to 25,448,823.64, 38,190,031.62 and 13,489,957.72 is: 20,243,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448,823.64 : 38,190,031.62 = 13,489,957.72 : x
  2. Step 2: Convert to fraction form
    25,448,823.64/38,190,031.62 = 13,489,957.72/x
  3. Step 3: Cross multiply
    25,448,823.64x = 38,190,031.62 × 13,489,957.72
  4. Step 4: Simplify right side
    25,448,823.64x = 515,181,911,879,263.12
  5. Step 5: Solve for x
    x = 515,181,911,879,263.12/25,448,823.64
  6. Step 6: Final answer
    x = 20,243,839.92

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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.