Home / 13,555,248.26-18,675,025.57-9,364,918.90

Finding the Fourth Proportional to 13,555,248.26, 18,675,025.57 and 9,364,918.90

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Solution

The fourth proportional to 13,555,248.26, 18,675,025.57 and 9,364,918.90 is: 12,902,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,248.26 : 18,675,025.57 = 9,364,918.90 : x
  2. Step 2: Convert to fraction form
    13,555,248.26/18,675,025.57 = 9,364,918.90/x
  3. Step 3: Cross multiply
    13,555,248.26x = 18,675,025.57 × 9,364,918.90
  4. Step 4: Simplify right side
    13,555,248.26x = 174,890,099,918,510.50
  5. Step 5: Solve for x
    x = 174,890,099,918,510.50/13,555,248.26
  6. Step 6: Final answer
    x = 12,902,021.16

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1.5x scale

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.