Home / 11,655,072.80-16,047,400.56-9,909,308.96

Finding the Fourth Proportional to 11,655,072.80, 16,047,400.56 and 9,909,308.96

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Solution

The fourth proportional to 11,655,072.80, 16,047,400.56 and 9,909,308.96 is: 13,643,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655,072.80 : 16,047,400.56 = 9,909,308.96 : x
  2. Step 2: Convert to fraction form
    11,655,072.80/16,047,400.56 = 9,909,308.96/x
  3. Step 3: Cross multiply
    11,655,072.80x = 16,047,400.56 × 9,909,308.96
  4. Step 4: Simplify right side
    11,655,072.80x = 159,018,650,153,917.03
  5. Step 5: Solve for x
    x = 159,018,650,153,917.03/11,655,072.80
  6. Step 6: Final answer
    x = 13,643,728.60

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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.