Home / 19,499,847.26-26,918,479.91-12,888,417.77

Finding the Fourth Proportional to 19,499,847.26, 26,918,479.91 and 12,888,417.77

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Solution

The fourth proportional to 19,499,847.26, 26,918,479.91 and 12,888,417.77 is: 17,791,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499,847.26 : 26,918,479.91 = 12,888,417.77 : x
  2. Step 2: Convert to fraction form
    19,499,847.26/26,918,479.91 = 12,888,417.77/x
  3. Step 3: Cross multiply
    19,499,847.26x = 26,918,479.91 × 12,888,417.77
  4. Step 4: Simplify right side
    19,499,847.26x = 346,936,614,812,005
  5. Step 5: Solve for x
    x = 346,936,614,812,005/19,499,847.26
  6. Step 6: Final answer
    x = 17,791,760.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.