Home / 13,209,923.03-18,230,307.53-8,251,300.17

Finding the Fourth Proportional to 13,209,923.03, 18,230,307.53 and 8,251,300.17

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Solution

The fourth proportional to 13,209,923.03, 18,230,307.53 and 8,251,300.17 is: 11,387,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,923.03 : 18,230,307.53 = 8,251,300.17 : x
  2. Step 2: Convert to fraction form
    13,209,923.03/18,230,307.53 = 8,251,300.17/x
  3. Step 3: Cross multiply
    13,209,923.03x = 18,230,307.53 × 8,251,300.17
  4. Step 4: Simplify right side
    13,209,923.03x = 150,423,739,580,184.75
  5. Step 5: Solve for x
    x = 150,423,739,580,184.75/13,209,923.03
  6. Step 6: Final answer
    x = 11,387,177.60

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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.