Home / 7,880,028.30-11,822,994.90-3,091,154.40

Finding the Fourth Proportional to 7,880,028.30, 11,822,994.90 and 3,091,154.40

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Solution

The fourth proportional to 7,880,028.30, 11,822,994.90 and 3,091,154.40 is: 4,637,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,028.30 : 11,822,994.90 = 3,091,154.40 : x
  2. Step 2: Convert to fraction form
    7,880,028.30/11,822,994.90 = 3,091,154.40/x
  3. Step 3: Cross multiply
    7,880,028.30x = 11,822,994.90 × 3,091,154.40
  4. Step 4: Simplify right side
    7,880,028.30x = 36,546,702,706,312.56
  5. Step 5: Solve for x
    x = 36,546,702,706,312.56/7,880,028.30
  6. Step 6: Final answer
    x = 4,637,889.78

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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.