Home / 13,015,478.02-17,961,328.70-7,135,101.85

Finding the Fourth Proportional to 13,015,478.02, 17,961,328.70 and 7,135,101.85

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Solution

The fourth proportional to 13,015,478.02, 17,961,328.70 and 7,135,101.85 is: 9,846,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015,478.02 : 17,961,328.70 = 7,135,101.85 : x
  2. Step 2: Convert to fraction form
    13,015,478.02/17,961,328.70 = 7,135,101.85/x
  3. Step 3: Cross multiply
    13,015,478.02x = 17,961,328.70 × 7,135,101.85
  4. Step 4: Simplify right side
    13,015,478.02x = 128,155,909,546,021.44
  5. Step 5: Solve for x
    x = 128,155,909,546,021.44/13,015,478.02
  6. Step 6: Final answer
    x = 9,846,423.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.