Home / 8,320,320.40-12,481,690.20-3,528,000.40

Finding the Fourth Proportional to 8,320,320.40, 12,481,690.20 and 3,528,000.40

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Solution

The fourth proportional to 8,320,320.40, 12,481,690.20 and 3,528,000.40 is: 5,292,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,320.40 : 12,481,690.20 = 3,528,000.40 : x
  2. Step 2: Convert to fraction form
    8,320,320.40/12,481,690.20 = 3,528,000.40/x
  3. Step 3: Cross multiply
    8,320,320.40x = 12,481,690.20 × 3,528,000.40
  4. Step 4: Simplify right side
    8,320,320.40x = 44,035,408,018,276.08
  5. Step 5: Solve for x
    x = 44,035,408,018,276.08/8,320,320.40
  6. Step 6: Final answer
    x = 5,292,513.50

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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.