Home / 10,571,214.60-15,856,821.90-7,382,568.60

Finding the Fourth Proportional to 10,571,214.60, 15,856,821.90 and 7,382,568.60

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Solution

The fourth proportional to 10,571,214.60, 15,856,821.90 and 7,382,568.60 is: 11,073,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,214.60 : 15,856,821.90 = 7,382,568.60 : x
  2. Step 2: Convert to fraction form
    10,571,214.60/15,856,821.90 = 7,382,568.60/x
  3. Step 3: Cross multiply
    10,571,214.60x = 15,856,821.90 × 7,382,568.60
  4. Step 4: Simplify right side
    10,571,214.60x = 117,064,075,454,732.34
  5. Step 5: Solve for x
    x = 117,064,075,454,732.34/10,571,214.60
  6. Step 6: Final answer
    x = 11,073,852.90

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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.