Home / 8,041,320.40-12,061,980.60-6,671,383.60

Finding the Fourth Proportional to 8,041,320.40, 12,061,980.60 and 6,671,383.60

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Solution

The fourth proportional to 8,041,320.40, 12,061,980.60 and 6,671,383.60 is: 10,007,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041,320.40 : 12,061,980.60 = 6,671,383.60 : x
  2. Step 2: Convert to fraction form
    8,041,320.40/12,061,980.60 = 6,671,383.60/x
  3. Step 3: Cross multiply
    8,041,320.40x = 12,061,980.60 × 6,671,383.60
  4. Step 4: Simplify right side
    8,041,320.40x = 80,470,099,558,358.16
  5. Step 5: Solve for x
    x = 80,470,099,558,358.16/8,041,320.40
  6. Step 6: Final answer
    x = 10,007,075.40

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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.