Home / 9,515,291.65-13,131,228.44-5,164,430.11

Finding the Fourth Proportional to 9,515,291.65, 13,131,228.44 and 5,164,430.11

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Solution

The fourth proportional to 9,515,291.65, 13,131,228.44 and 5,164,430.11 is: 7,126,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,291.65 : 13,131,228.44 = 5,164,430.11 : x
  2. Step 2: Convert to fraction form
    9,515,291.65/13,131,228.44 = 5,164,430.11/x
  3. Step 3: Cross multiply
    9,515,291.65x = 13,131,228.44 × 5,164,430.11
  4. Step 4: Simplify right side
    9,515,291.65x = 67,815,311,492,920.16
  5. Step 5: Solve for x
    x = 67,815,311,492,920.16/9,515,291.65
  6. Step 6: Final answer
    x = 7,126,981.92

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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.