Home / 10,492,087.60-15,745,129.80-4,809,386.80

Finding the Fourth Proportional to 10,492,087.60, 15,745,129.80 and 4,809,386.80

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Solution

The fourth proportional to 10,492,087.60, 15,745,129.80 and 4,809,386.80 is: 7,217,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492,087.60 : 15,745,129.80 = 4,809,386.80 : x
  2. Step 2: Convert to fraction form
    10,492,087.60/15,745,129.80 = 4,809,386.80/x
  3. Step 3: Cross multiply
    10,492,087.60x = 15,745,129.80 × 4,809,386.80
  4. Step 4: Simplify right side
    10,492,087.60x = 75,724,419,424,406.64
  5. Step 5: Solve for x
    x = 75,724,419,424,406.64/10,492,087.60
  6. Step 6: Final answer
    x = 7,217,288.14

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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.