Home / 8,223,999.40-12,335,999.10-7,384,191.40

Finding the Fourth Proportional to 8,223,999.40, 12,335,999.10 and 7,384,191.40

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Solution

The fourth proportional to 8,223,999.40, 12,335,999.10 and 7,384,191.40 is: 11,076,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223,999.40 : 12,335,999.10 = 7,384,191.40 : x
  2. Step 2: Convert to fraction form
    8,223,999.40/12,335,999.10 = 7,384,191.40/x
  3. Step 3: Cross multiply
    8,223,999.40x = 12,335,999.10 × 7,384,191.40
  4. Step 4: Simplify right side
    8,223,999.40x = 91,091,378,464,627.73
  5. Step 5: Solve for x
    x = 91,091,378,464,627.73/8,223,999.40
  6. Step 6: Final answer
    x = 11,076,287.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.