Home / 10,315,977.60-15,473,966.40-5,533,008.60

Finding the Fourth Proportional to 10,315,977.60, 15,473,966.40 and 5,533,008.60

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Solution

The fourth proportional to 10,315,977.60, 15,473,966.40 and 5,533,008.60 is: 8,299,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315,977.60 : 15,473,966.40 = 5,533,008.60 : x
  2. Step 2: Convert to fraction form
    10,315,977.60/15,473,966.40 = 5,533,008.60/x
  3. Step 3: Cross multiply
    10,315,977.60x = 15,473,966.40 × 5,533,008.60
  4. Step 4: Simplify right side
    10,315,977.60x = 85,617,589,167,311.03
  5. Step 5: Solve for x
    x = 85,617,589,167,311.03/10,315,977.60
  6. Step 6: Final answer
    x = 8,299,512.90

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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.