Home / 38,013,434.14-52,459,645.52-21,493,203.83

Finding the Fourth Proportional to 38,013,434.14, 52,459,645.52 and 21,493,203.83

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Solution

The fourth proportional to 38,013,434.14, 52,459,645.52 and 21,493,203.83 is: 29,661,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013,434.14 : 52,459,645.52 = 21,493,203.83 : x
  2. Step 2: Convert to fraction form
    38,013,434.14/52,459,645.52 = 21,493,203.83/x
  3. Step 3: Cross multiply
    38,013,434.14x = 52,459,645.52 × 21,493,203.83
  4. Step 4: Simplify right side
    38,013,434.14x = 1,127,525,853,903,440.25
  5. Step 5: Solve for x
    x = 1,127,525,853,903,440.25/38,013,434.14
  6. Step 6: Final answer
    x = 29,661,246.86

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1.5x scale

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.