Home / 10,888,982.40-16,314,811.20-7,100,515.20

Finding the Fourth Proportional to 10,888,982.40, 16,314,811.20 and 7,100,515.20

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Solution

The fourth proportional to 10,888,982.40, 16,314,811.20 and 7,100,515.20 is: 10,638,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888,982.40 : 16,314,811.20 = 7,100,515.20 : x
  2. Step 2: Convert to fraction form
    10,888,982.40/16,314,811.20 = 7,100,515.20/x
  3. Step 3: Cross multiply
    10,888,982.40x = 16,314,811.20 × 7,100,515.20
  4. Step 4: Simplify right side
    10,888,982.40x = 115,843,564,910,730.23
  5. Step 5: Solve for x
    x = 115,843,564,910,730.23/10,888,982.40
  6. Step 6: Final answer
    x = 10,638,603.37

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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.