Home / 12,535,368.21-17,302,395.36-7,381,719.12

Finding the Fourth Proportional to 12,535,368.21, 17,302,395.36 and 7,381,719.12

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Solution

The fourth proportional to 12,535,368.21, 17,302,395.36 and 7,381,719.12 is: 10,188,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535,368.21 : 17,302,395.36 = 7,381,719.12 : x
  2. Step 2: Convert to fraction form
    12,535,368.21/17,302,395.36 = 7,381,719.12/x
  3. Step 3: Cross multiply
    12,535,368.21x = 17,302,395.36 × 7,381,719.12
  4. Step 4: Simplify right side
    12,535,368.21x = 127,721,422,564,199.31
  5. Step 5: Solve for x
    x = 127,721,422,564,199.31/12,535,368.21
  6. Step 6: Final answer
    x = 10,188,884.79

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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.