Home / 13,270,385.64-18,303,698.57-8,857,886.50

Finding the Fourth Proportional to 13,270,385.64, 18,303,698.57 and 8,857,886.50

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Solution

The fourth proportional to 13,270,385.64, 18,303,698.57 and 8,857,886.50 is: 12,217,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,385.64 : 18,303,698.57 = 8,857,886.50 : x
  2. Step 2: Convert to fraction form
    13,270,385.64/18,303,698.57 = 8,857,886.50/x
  3. Step 3: Cross multiply
    13,270,385.64x = 18,303,698.57 × 8,857,886.50
  4. Step 4: Simplify right side
    13,270,385.64x = 162,132,084,421,527.69
  5. Step 5: Solve for x
    x = 162,132,084,421,527.69/13,270,385.64
  6. Step 6: Final answer
    x = 12,217,586.50

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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.