Home / 10,369,884.75-15,555,574.47-3,980,137.10

Finding the Fourth Proportional to 10,369,884.75, 15,555,574.47 and 3,980,137.10

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Solution

The fourth proportional to 10,369,884.75, 15,555,574.47 and 3,980,137.10 is: 5,970,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,884.75 : 15,555,574.47 = 3,980,137.10 : x
  2. Step 2: Convert to fraction form
    10,369,884.75/15,555,574.47 = 3,980,137.10/x
  3. Step 3: Cross multiply
    10,369,884.75x = 15,555,574.47 × 3,980,137.10
  4. Step 4: Simplify right side
    10,369,884.75x = 61,913,319,122,970.80
  5. Step 5: Solve for x
    x = 61,913,319,122,970.80/10,369,884.75
  6. Step 6: Final answer
    x = 5,970,492.50

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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.