Home / 7,719,810.21-10,654,615.80-4,283,158.41

Finding the Fourth Proportional to 7,719,810.21, 10,654,615.80 and 4,283,158.41

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Solution

The fourth proportional to 7,719,810.21, 10,654,615.80 and 4,283,158.41 is: 5,911,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719,810.21 : 10,654,615.80 = 4,283,158.41 : x
  2. Step 2: Convert to fraction form
    7,719,810.21/10,654,615.80 = 4,283,158.41/x
  3. Step 3: Cross multiply
    7,719,810.21x = 10,654,615.80 × 4,283,158.41
  4. Step 4: Simplify right side
    7,719,810.21x = 45,635,407,269,088.88
  5. Step 5: Solve for x
    x = 45,635,407,269,088.88/7,719,810.21
  6. Step 6: Final answer
    x = 5,911,467.51

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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.