Home / 15,238,395.05-21,028,985.19-9,126,823.55

Finding the Fourth Proportional to 15,238,395.05, 21,028,985.19 and 9,126,823.55

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Solution

The fourth proportional to 15,238,395.05, 21,028,985.19 and 9,126,823.55 is: 12,595,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,395.05 : 21,028,985.19 = 9,126,823.55 : x
  2. Step 2: Convert to fraction form
    15,238,395.05/21,028,985.19 = 9,126,823.55/x
  3. Step 3: Cross multiply
    15,238,395.05x = 21,028,985.19 × 9,126,823.55
  4. Step 4: Simplify right side
    15,238,395.05x = 191,927,837,159,548.31
  5. Step 5: Solve for x
    x = 191,927,837,159,548.31/15,238,395.05
  6. Step 6: Final answer
    x = 12,595,016.51

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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.