Home / 21,335,004.32-29,442,305.34-11,545,448.40

Finding the Fourth Proportional to 21,335,004.32, 29,442,305.34 and 11,545,448.40

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Solution

The fourth proportional to 21,335,004.32, 29,442,305.34 and 11,545,448.40 is: 15,932,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,004.32 : 29,442,305.34 = 11,545,448.40 : x
  2. Step 2: Convert to fraction form
    21,335,004.32/29,442,305.34 = 11,545,448.40/x
  3. Step 3: Cross multiply
    21,335,004.32x = 29,442,305.34 × 11,545,448.40
  4. Step 4: Simplify right side
    21,335,004.32x = 339,924,617,080,014.44
  5. Step 5: Solve for x
    x = 339,924,617,080,014.44/21,335,004.32
  6. Step 6: Final answer
    x = 15,932,718.46

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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.