Home / 27,064,480-40,592,396.80-7,890,753.28

Finding the Fourth Proportional to 27,064,480, 40,592,396.80 and 7,890,753.28

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Solution

The fourth proportional to 27,064,480, 40,592,396.80 and 7,890,753.28 is: 11,834,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,064,480 : 40,592,396.80 = 7,890,753.28 : x
  2. Step 2: Convert to fraction form
    27,064,480/40,592,396.80 = 7,890,753.28/x
  3. Step 3: Cross multiply
    27,064,480x = 40,592,396.80 × 7,890,753.28
  4. Step 4: Simplify right side
    27,064,480x = 320,304,588,192,661.50
  5. Step 5: Solve for x
    x = 320,304,588,192,661.50/27,064,480
  6. Step 6: Final answer
    x = 11,834,869.47

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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.