Home / 13,506,170.63-18,640,294.22-7,703,622.23

Finding the Fourth Proportional to 13,506,170.63, 18,640,294.22 and 7,703,622.23

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Solution

The fourth proportional to 13,506,170.63, 18,640,294.22 and 7,703,622.23 is: 10,632,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506,170.63 : 18,640,294.22 = 7,703,622.23 : x
  2. Step 2: Convert to fraction form
    13,506,170.63/18,640,294.22 = 7,703,622.23/x
  3. Step 3: Cross multiply
    13,506,170.63x = 18,640,294.22 × 7,703,622.23
  4. Step 4: Simplify right side
    13,506,170.63x = 143,597,784,926,932.50
  5. Step 5: Solve for x
    x = 143,597,784,926,932.50/13,506,170.63
  6. Step 6: Final answer
    x = 10,632,013.24

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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.