Home / 12,186,656.47-16,807,779.78-10,713,415.03

Finding the Fourth Proportional to 12,186,656.47, 16,807,779.78 and 10,713,415.03

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Solution

The fourth proportional to 12,186,656.47, 16,807,779.78 and 10,713,415.03 is: 14,775,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,656.47 : 16,807,779.78 = 10,713,415.03 : x
  2. Step 2: Convert to fraction form
    12,186,656.47/16,807,779.78 = 10,713,415.03/x
  3. Step 3: Cross multiply
    12,186,656.47x = 16,807,779.78 × 10,713,415.03
  4. Step 4: Simplify right side
    12,186,656.47x = 180,068,720,515,982.09
  5. Step 5: Solve for x
    x = 180,068,720,515,982.09/12,186,656.47
  6. Step 6: Final answer
    x = 14,775,892.06

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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.