Home / 38,013,434.39-52,459,645.86-21,493,204.08

Finding the Fourth Proportional to 38,013,434.39, 52,459,645.86 and 21,493,204.08

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Solution

The fourth proportional to 38,013,434.39, 52,459,645.86 and 21,493,204.08 is: 29,661,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013,434.39 : 52,459,645.86 = 21,493,204.08 : x
  2. Step 2: Convert to fraction form
    38,013,434.39/52,459,645.86 = 21,493,204.08/x
  3. Step 3: Cross multiply
    38,013,434.39x = 52,459,645.86 × 21,493,204.08
  4. Step 4: Simplify right side
    38,013,434.39x = 1,127,525,874,433,507
  5. Step 5: Solve for x
    x = 1,127,525,874,433,507/38,013,434.39
  6. Step 6: Final answer
    x = 29,661,247.21

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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.