Home / 11,477,926.80-15,841,261.02-8,720,076.06

Finding the Fourth Proportional to 11,477,926.80, 15,841,261.02 and 8,720,076.06

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Solution

The fourth proportional to 11,477,926.80, 15,841,261.02 and 8,720,076.06 is: 12,035,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477,926.80 : 15,841,261.02 = 8,720,076.06 : x
  2. Step 2: Convert to fraction form
    11,477,926.80/15,841,261.02 = 8,720,076.06/x
  3. Step 3: Cross multiply
    11,477,926.80x = 15,841,261.02 × 8,720,076.06
  4. Step 4: Simplify right side
    11,477,926.80x = 138,137,000,980,713.19
  5. Step 5: Solve for x
    x = 138,137,000,980,713.19/11,477,926.80
  6. Step 6: Final answer
    x = 12,035,013.24

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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.