Home / 27,818,466.39-38,388,911.70-15,426,560.10

Finding the Fourth Proportional to 27,818,466.39, 38,388,911.70 and 15,426,560.10

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Solution

The fourth proportional to 27,818,466.39, 38,388,911.70 and 15,426,560.10 is: 21,288,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,818,466.39 : 38,388,911.70 = 15,426,560.10 : x
  2. Step 2: Convert to fraction form
    27,818,466.39/38,388,911.70 = 15,426,560.10/x
  3. Step 3: Cross multiply
    27,818,466.39x = 38,388,911.70 × 15,426,560.10
  4. Step 4: Simplify right side
    27,818,466.39x = 592,208,853,513,643.25
  5. Step 5: Solve for x
    x = 592,208,853,513,643.25/27,818,466.39
  6. Step 6: Final answer
    x = 21,288,335.78

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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.