Home / 18,152,044.11-25,048,928.43-9,892,081.36

Finding the Fourth Proportional to 18,152,044.11, 25,048,928.43 and 9,892,081.36

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Solution

The fourth proportional to 18,152,044.11, 25,048,928.43 and 9,892,081.36 is: 13,650,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,044.11 : 25,048,928.43 = 9,892,081.36 : x
  2. Step 2: Convert to fraction form
    18,152,044.11/25,048,928.43 = 9,892,081.36/x
  3. Step 3: Cross multiply
    18,152,044.11x = 25,048,928.43 × 9,892,081.36
  4. Step 4: Simplify right side
    18,152,044.11x = 247,786,038,041,688.22
  5. Step 5: Solve for x
    x = 247,786,038,041,688.22/18,152,044.11
  6. Step 6: Final answer
    x = 13,650,585.94

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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.