Home / 10,131,852.59-13,982,069.20-5,485,740.58

Finding the Fourth Proportional to 10,131,852.59, 13,982,069.20 and 5,485,740.58

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Solution

The fourth proportional to 10,131,852.59, 13,982,069.20 and 5,485,740.58 is: 7,570,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,852.59 : 13,982,069.20 = 5,485,740.58 : x
  2. Step 2: Convert to fraction form
    10,131,852.59/13,982,069.20 = 5,485,740.58/x
  3. Step 3: Cross multiply
    10,131,852.59x = 13,982,069.20 × 5,485,740.58
  4. Step 4: Simplify right side
    10,131,852.59x = 76,702,004,402,808.14
  5. Step 5: Solve for x
    x = 76,702,004,402,808.14/10,131,852.59
  6. Step 6: Final answer
    x = 7,570,382.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.