Home / 30,363,828.17-41,858,501.18-21,646,867.19

Finding the Fourth Proportional to 30,363,828.17, 41,858,501.18 and 21,646,867.19

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Solution

The fourth proportional to 30,363,828.17, 41,858,501.18 and 21,646,867.19 is: 29,841,606.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363,828.17 : 41,858,501.18 = 21,646,867.19 : x
  2. Step 2: Convert to fraction form
    30,363,828.17/41,858,501.18 = 21,646,867.19/x
  3. Step 3: Cross multiply
    30,363,828.17x = 41,858,501.18 × 21,646,867.19
  4. Step 4: Simplify right side
    30,363,828.17x = 906,105,415,498,391.38
  5. Step 5: Solve for x
    x = 906,105,415,498,391.38/30,363,828.17
  6. Step 6: Final answer
    x = 29,841,606.62

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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.