Home / 21,426,976.64-29,569,441.02-11,637,612.32

Finding the Fourth Proportional to 21,426,976.64, 29,569,441.02 and 11,637,612.32

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Solution

The fourth proportional to 21,426,976.64, 29,569,441.02 and 11,637,612.32 is: 16,060,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426,976.64 : 29,569,441.02 = 11,637,612.32 : x
  2. Step 2: Convert to fraction form
    21,426,976.64/29,569,441.02 = 11,637,612.32/x
  3. Step 3: Cross multiply
    21,426,976.64x = 29,569,441.02 × 11,637,612.32
  4. Step 4: Simplify right side
    21,426,976.64x = 344,117,691,109,865.38
  5. Step 5: Solve for x
    x = 344,117,691,109,865.38/21,426,976.64
  6. Step 6: Final answer
    x = 16,060,020.83

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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.