Home / 19,956,528,920.47-27,538,126,042.57-11,926,270,741.27

Finding the Fourth Proportional to 19,956,528,920.47, 27,538,126,042.57 and 11,926,270,741.27

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Solution

The fourth proportional to 19,956,528,920.47, 27,538,126,042.57 and 11,926,270,741.27 is: 16,457,127,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956,528,920.47 : 27,538,126,042.57 = 11,926,270,741.27 : x
  2. Step 2: Convert to fraction form
    19,956,528,920.47/27,538,126,042.57 = 11,926,270,741.27/x
  3. Step 3: Cross multiply
    19,956,528,920.47x = 27,538,126,042.57 × 11,926,270,741.27
  4. Step 4: Simplify right side
    19,956,528,920.47x = 328,427,146,890,908,008,448
  5. Step 5: Solve for x
    x = 328,427,146,890,908,008,448/19,956,528,920.47
  6. Step 6: Final answer
    x = 16,457,127,800.12

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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.