Home / 20,325,085.40-28,009,854.92-19,951,502.06

Finding the Fourth Proportional to 20,325,085.40, 28,009,854.92 and 19,951,502.06

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Solution

The fourth proportional to 20,325,085.40, 28,009,854.92 and 19,951,502.06 is: 27,495,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325,085.40 : 28,009,854.92 = 19,951,502.06 : x
  2. Step 2: Convert to fraction form
    20,325,085.40/28,009,854.92 = 19,951,502.06/x
  3. Step 3: Cross multiply
    20,325,085.40x = 28,009,854.92 × 19,951,502.06
  4. Step 4: Simplify right side
    20,325,085.40x = 558,838,678,136,681.12
  5. Step 5: Solve for x
    x = 558,838,678,136,681.12/20,325,085.40
  6. Step 6: Final answer
    x = 27,495,022.39

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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.