Home / 11,378,400.95-15,688,776.40-9,196,195.95

Finding the Fourth Proportional to 11,378,400.95, 15,688,776.40 and 9,196,195.95

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Solution

The fourth proportional to 11,378,400.95, 15,688,776.40 and 9,196,195.95 is: 12,679,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378,400.95 : 15,688,776.40 = 9,196,195.95 : x
  2. Step 2: Convert to fraction form
    11,378,400.95/15,688,776.40 = 9,196,195.95/x
  3. Step 3: Cross multiply
    11,378,400.95x = 15,688,776.40 × 9,196,195.95
  4. Step 4: Simplify right side
    11,378,400.95x = 144,277,061,967,145.09
  5. Step 5: Solve for x
    x = 144,277,061,967,145.09/11,378,400.95
  6. Step 6: Final answer
    x = 12,679,906.66

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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.