Home / 27,078,758.72-40,616,643-19,799,677.77

Finding the Fourth Proportional to 27,078,758.72, 40,616,643 and 19,799,677.77

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Solution

The fourth proportional to 27,078,758.72, 40,616,643 and 19,799,677.77 is: 29,698,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078,758.72 : 40,616,643 = 19,799,677.77 : x
  2. Step 2: Convert to fraction form
    27,078,758.72/40,616,643 = 19,799,677.77/x
  3. Step 3: Cross multiply
    27,078,758.72x = 40,616,643 × 19,799,677.77
  4. Step 4: Simplify right side
    27,078,758.72x = 804,196,443,499,126.12
  5. Step 5: Solve for x
    x = 804,196,443,499,126.12/27,078,758.72
  6. Step 6: Final answer
    x = 29,698,423.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.