Home / 15,994,653.12-22,072,072.32-9,121,347.36

Finding the Fourth Proportional to 15,994,653.12, 22,072,072.32 and 9,121,347.36

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Solution

The fourth proportional to 15,994,653.12, 22,072,072.32 and 9,121,347.36 is: 12,587,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994,653.12 : 22,072,072.32 = 9,121,347.36 : x
  2. Step 2: Convert to fraction form
    15,994,653.12/22,072,072.32 = 9,121,347.36/x
  3. Step 3: Cross multiply
    15,994,653.12x = 22,072,072.32 × 9,121,347.36
  4. Step 4: Simplify right side
    15,994,653.12x = 201,327,038,585,761.06
  5. Step 5: Solve for x
    x = 201,327,038,585,761.06/15,994,653.12
  6. Step 6: Final answer
    x = 12,587,146.28

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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.