Home / 14,284,647.76-19,712,956.08-7,758,404.88

Finding the Fourth Proportional to 14,284,647.76, 19,712,956.08 and 7,758,404.88

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Solution

The fourth proportional to 14,284,647.76, 19,712,956.08 and 7,758,404.88 is: 10,706,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284,647.76 : 19,712,956.08 = 7,758,404.88 : x
  2. Step 2: Convert to fraction form
    14,284,647.76/19,712,956.08 = 7,758,404.88/x
  3. Step 3: Cross multiply
    14,284,647.76x = 19,712,956.08 × 7,758,404.88
  4. Step 4: Simplify right side
    14,284,647.76x = 152,941,094,650,297.66
  5. Step 5: Solve for x
    x = 152,941,094,650,297.66/14,284,647.76
  6. Step 6: Final answer
    x = 10,706,675.95

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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.