Home / 14,007,875.92-20,968,718.44-9,139,700.06

Finding the Fourth Proportional to 14,007,875.92, 20,968,718.44 and 9,139,700.06

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Solution

The fourth proportional to 14,007,875.92, 20,968,718.44 and 9,139,700.06 is: 13,681,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007,875.92 : 20,968,718.44 = 9,139,700.06 : x
  2. Step 2: Convert to fraction form
    14,007,875.92/20,968,718.44 = 9,139,700.06/x
  3. Step 3: Cross multiply
    14,007,875.92x = 20,968,718.44 × 9,139,700.06
  4. Step 4: Simplify right side
    14,007,875.92x = 191,647,797,236,952.41
  5. Step 5: Solve for x
    x = 191,647,797,236,952.41/14,007,875.92
  6. Step 6: Final answer
    x = 13,681,431.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.