Home / 21,513,476.64-29,687,733.96-11,723,712.16

Finding the Fourth Proportional to 21,513,476.64, 29,687,733.96 and 11,723,712.16

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Solution

The fourth proportional to 21,513,476.64, 29,687,733.96 and 11,723,712.16 is: 16,178,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,476.64 : 29,687,733.96 = 11,723,712.16 : x
  2. Step 2: Convert to fraction form
    21,513,476.64/29,687,733.96 = 11,723,712.16/x
  3. Step 3: Cross multiply
    21,513,476.64x = 29,687,733.96 × 11,723,712.16
  4. Step 4: Simplify right side
    21,513,476.64x = 348,050,447,629,696.94
  5. Step 5: Solve for x
    x = 348,050,447,629,696.94/21,513,476.64
  6. Step 6: Final answer
    x = 16,178,252.05

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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.