Home / 38,632,039.29-53,258,943.22-30,818,072.84

Finding the Fourth Proportional to 38,632,039.29, 53,258,943.22 and 30,818,072.84

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Solution

The fourth proportional to 38,632,039.29, 53,258,943.22 and 30,818,072.84 is: 42,486,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632,039.29 : 53,258,943.22 = 30,818,072.84 : x
  2. Step 2: Convert to fraction form
    38,632,039.29/53,258,943.22 = 30,818,072.84/x
  3. Step 3: Cross multiply
    38,632,039.29x = 53,258,943.22 × 30,818,072.84
  4. Step 4: Simplify right side
    38,632,039.29x = 1,641,337,991,192,044.25
  5. Step 5: Solve for x
    x = 1,641,337,991,192,044.25/38,632,039.29
  6. Step 6: Final answer
    x = 42,486,444.45

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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.