Home / 15,630,118.88-21,572,154.24-10,731,329.60

Finding the Fourth Proportional to 15,630,118.88, 21,572,154.24 and 10,731,329.60

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Solution

The fourth proportional to 15,630,118.88, 21,572,154.24 and 10,731,329.60 is: 14,811,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630,118.88 : 21,572,154.24 = 10,731,329.60 : x
  2. Step 2: Convert to fraction form
    15,630,118.88/21,572,154.24 = 10,731,329.60/x
  3. Step 3: Cross multiply
    15,630,118.88x = 21,572,154.24 × 10,731,329.60
  4. Step 4: Simplify right side
    15,630,118.88x = 231,497,897,331,477.47
  5. Step 5: Solve for x
    x = 231,497,897,331,477.47/15,630,118.88
  6. Step 6: Final answer
    x = 14,811,013.22

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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.