Home / 13,454,868.16-18,564,880.08-8,558,308

Finding the Fourth Proportional to 13,454,868.16, 18,564,880.08 and 8,558,308

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Solution

The fourth proportional to 13,454,868.16, 18,564,880.08 and 8,558,308 is: 11,808,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454,868.16 : 18,564,880.08 = 8,558,308 : x
  2. Step 2: Convert to fraction form
    13,454,868.16/18,564,880.08 = 8,558,308/x
  3. Step 3: Cross multiply
    13,454,868.16x = 18,564,880.08 × 8,558,308
  4. Step 4: Simplify right side
    13,454,868.16x = 158,883,961,707,704.62
  5. Step 5: Solve for x
    x = 158,883,961,707,704.62/13,454,868.16
  6. Step 6: Final answer
    x = 11,808,659.87

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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.