Home / 7,816,981.60-11,724,907.20-2,425,494.40

Finding the Fourth Proportional to 7,816,981.60, 11,724,907.20 and 2,425,494.40

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Solution

The fourth proportional to 7,816,981.60, 11,724,907.20 and 2,425,494.40 is: 3,638,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816,981.60 : 11,724,907.20 = 2,425,494.40 : x
  2. Step 2: Convert to fraction form
    7,816,981.60/11,724,907.20 = 2,425,494.40/x
  3. Step 3: Cross multiply
    7,816,981.60x = 11,724,907.20 × 2,425,494.40
  4. Step 4: Simplify right side
    7,816,981.60x = 28,438,696,754,119.68
  5. Step 5: Solve for x
    x = 28,438,696,754,119.68/7,816,981.60
  6. Step 6: Final answer
    x = 3,638,066.23

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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.