Home / 38,013,440.39-52,459,654.14-21,493,210.08

Finding the Fourth Proportional to 38,013,440.39, 52,459,654.14 and 21,493,210.08

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Solution

The fourth proportional to 38,013,440.39, 52,459,654.14 and 21,493,210.08 is: 29,661,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013,440.39 : 52,459,654.14 = 21,493,210.08 : x
  2. Step 2: Convert to fraction form
    38,013,440.39/52,459,654.14 = 21,493,210.08/x
  3. Step 3: Cross multiply
    38,013,440.39x = 52,459,654.14 × 21,493,210.08
  4. Step 4: Simplify right side
    38,013,440.39x = 1,127,526,367,155,161.75
  5. Step 5: Solve for x
    x = 1,127,526,367,155,161.75/38,013,440.39
  6. Step 6: Final answer
    x = 29,661,255.49

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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.