Home / 13,506,169.63-18,640,292.84-7,703,621.23

Finding the Fourth Proportional to 13,506,169.63, 18,640,292.84 and 7,703,621.23

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Solution

The fourth proportional to 13,506,169.63, 18,640,292.84 and 7,703,621.23 is: 10,632,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506,169.63 : 18,640,292.84 = 7,703,621.23 : x
  2. Step 2: Convert to fraction form
    13,506,169.63/18,640,292.84 = 7,703,621.23/x
  3. Step 3: Cross multiply
    13,506,169.63x = 18,640,292.84 × 7,703,621.23
  4. Step 4: Simplify right side
    13,506,169.63x = 143,597,755,581,698.59
  5. Step 5: Solve for x
    x = 143,597,755,581,698.59/13,506,169.63
  6. Step 6: Final answer
    x = 10,632,011.86

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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.