Home / 8,255,999.40-12,383,999.10-6,240,460.20

Finding the Fourth Proportional to 8,255,999.40, 12,383,999.10 and 6,240,460.20

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Solution

The fourth proportional to 8,255,999.40, 12,383,999.10 and 6,240,460.20 is: 9,360,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255,999.40 : 12,383,999.10 = 6,240,460.20 : x
  2. Step 2: Convert to fraction form
    8,255,999.40/12,383,999.10 = 6,240,460.20/x
  3. Step 3: Cross multiply
    8,255,999.40x = 12,383,999.10 × 6,240,460.20
  4. Step 4: Simplify right side
    8,255,999.40x = 77,281,853,500,385.81
  5. Step 5: Solve for x
    x = 77,281,853,500,385.81/8,255,999.40
  6. Step 6: Final answer
    x = 9,360,690.30

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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.