Home / 10,554,829.20-15,813,581.40-9,360,435.60

Finding the Fourth Proportional to 10,554,829.20, 15,813,581.40 and 9,360,435.60

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Solution

The fourth proportional to 10,554,829.20, 15,813,581.40 and 9,360,435.60 is: 14,024,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554,829.20 : 15,813,581.40 = 9,360,435.60 : x
  2. Step 2: Convert to fraction form
    10,554,829.20/15,813,581.40 = 9,360,435.60/x
  3. Step 3: Cross multiply
    10,554,829.20x = 15,813,581.40 × 9,360,435.60
  4. Step 4: Simplify right side
    10,554,829.20x = 148,022,010,300,057.84
  5. Step 5: Solve for x
    x = 148,022,010,300,057.84/10,554,829.20
  6. Step 6: Final answer
    x = 14,024,102.85

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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.