Home / 13,295,419.24-18,343,599.78-8,133,399.40

Finding the Fourth Proportional to 13,295,419.24, 18,343,599.78 and 8,133,399.40

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Solution

The fourth proportional to 13,295,419.24, 18,343,599.78 and 8,133,399.40 is: 11,221,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295,419.24 : 18,343,599.78 = 8,133,399.40 : x
  2. Step 2: Convert to fraction form
    13,295,419.24/18,343,599.78 = 8,133,399.40/x
  3. Step 3: Cross multiply
    13,295,419.24x = 18,343,599.78 × 8,133,399.40
  4. Step 4: Simplify right side
    13,295,419.24x = 149,195,823,444,492.16
  5. Step 5: Solve for x
    x = 149,195,823,444,492.16/13,295,419.24
  6. Step 6: Final answer
    x = 11,221,596.01

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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.