Home / 15,941,642.96-21,999,349.32-9,066,115.28

Finding the Fourth Proportional to 15,941,642.96, 21,999,349.32 and 9,066,115.28

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Solution

The fourth proportional to 15,941,642.96, 21,999,349.32 and 9,066,115.28 is: 12,511,172.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941,642.96 : 21,999,349.32 = 9,066,115.28 : x
  2. Step 2: Convert to fraction form
    15,941,642.96/21,999,349.32 = 9,066,115.28/x
  3. Step 3: Cross multiply
    15,941,642.96x = 21,999,349.32 × 9,066,115.28
  4. Step 4: Simplify right side
    15,941,642.96x = 199,448,637,020,109.59
  5. Step 5: Solve for x
    x = 199,448,637,020,109.59/15,941,642.96
  6. Step 6: Final answer
    x = 12,511,172.00

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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.