Home / 15,873,115.16-21,909,560.74-10,367,331.72

Finding the Fourth Proportional to 15,873,115.16, 21,909,560.74 and 10,367,331.72

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Solution

The fourth proportional to 15,873,115.16, 21,909,560.74 and 10,367,331.72 is: 14,309,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873,115.16 : 21,909,560.74 = 10,367,331.72 : x
  2. Step 2: Convert to fraction form
    15,873,115.16/21,909,560.74 = 10,367,331.72/x
  3. Step 3: Cross multiply
    15,873,115.16x = 21,909,560.74 × 10,367,331.72
  4. Step 4: Simplify right side
    15,873,115.16x = 227,143,684,031,068.66
  5. Step 5: Solve for x
    x = 227,143,684,031,068.66/15,873,115.16
  6. Step 6: Final answer
    x = 14,309,962.58

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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.