Home / 7,880,424.48-11,821,307.40-2,487,632.40

Finding the Fourth Proportional to 7,880,424.48, 11,821,307.40 and 2,487,632.40

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Solution

The fourth proportional to 7,880,424.48, 11,821,307.40 and 2,487,632.40 is: 3,731,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,424.48 : 11,821,307.40 = 2,487,632.40 : x
  2. Step 2: Convert to fraction form
    7,880,424.48/11,821,307.40 = 2,487,632.40/x
  3. Step 3: Cross multiply
    7,880,424.48x = 11,821,307.40 × 2,487,632.40
  4. Step 4: Simplify right side
    7,880,424.48x = 29,407,067,298,599.76
  5. Step 5: Solve for x
    x = 29,407,067,298,599.76/7,880,424.48
  6. Step 6: Final answer
    x = 3,731,660.32

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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.