Home / 15,301,468.52-21,114,421.22-8,683,949.63

Finding the Fourth Proportional to 15,301,468.52, 21,114,421.22 and 8,683,949.63

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Solution

The fourth proportional to 15,301,468.52, 21,114,421.22 and 8,683,949.63 is: 11,982,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301,468.52 : 21,114,421.22 = 8,683,949.63 : x
  2. Step 2: Convert to fraction form
    15,301,468.52/21,114,421.22 = 8,683,949.63/x
  3. Step 3: Cross multiply
    15,301,468.52x = 21,114,421.22 × 8,683,949.63
  4. Step 4: Simplify right side
    15,301,468.52x = 183,356,570,192,091.28
  5. Step 5: Solve for x
    x = 183,356,570,192,091.28/15,301,468.52
  6. Step 6: Final answer
    x = 11,982,939.42

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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.