Home / 15,487,476.64-21,373,235.57-8,518,448.05

Finding the Fourth Proportional to 15,487,476.64, 21,373,235.57 and 8,518,448.05

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Solution

The fourth proportional to 15,487,476.64, 21,373,235.57 and 8,518,448.05 is: 11,755,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,476.64 : 21,373,235.57 = 8,518,448.05 : x
  2. Step 2: Convert to fraction form
    15,487,476.64/21,373,235.57 = 8,518,448.05/x
  3. Step 3: Cross multiply
    15,487,476.64x = 21,373,235.57 × 8,518,448.05
  4. Step 4: Simplify right side
    15,487,476.64x = 182,066,796,713,998.72
  5. Step 5: Solve for x
    x = 182,066,796,713,998.72/15,487,476.64
  6. Step 6: Final answer
    x = 11,755,743.11

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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.