Home / 10,649,022.47-15,980,721-4,171,294.32

Finding the Fourth Proportional to 10,649,022.47, 15,980,721 and 4,171,294.32

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Solution

The fourth proportional to 10,649,022.47, 15,980,721 and 4,171,294.32 is: 6,259,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,022.47 : 15,980,721 = 4,171,294.32 : x
  2. Step 2: Convert to fraction form
    10,649,022.47/15,980,721 = 4,171,294.32/x
  3. Step 3: Cross multiply
    10,649,022.47x = 15,980,721 × 4,171,294.32
  4. Step 4: Simplify right side
    10,649,022.47x = 66,660,290,736,804.72
  5. Step 5: Solve for x
    x = 66,660,290,736,804.72/10,649,022.47
  6. Step 6: Final answer
    x = 6,259,756.80

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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.