Home / 12,562,455.87-18,758,584.91-9,974,633.45

Finding the Fourth Proportional to 12,562,455.87, 18,758,584.91 and 9,974,633.45

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Solution

The fourth proportional to 12,562,455.87, 18,758,584.91 and 9,974,633.45 is: 14,894,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,455.87 : 18,758,584.91 = 9,974,633.45 : x
  2. Step 2: Convert to fraction form
    12,562,455.87/18,758,584.91 = 9,974,633.45/x
  3. Step 3: Cross multiply
    12,562,455.87x = 18,758,584.91 × 9,974,633.45
  4. Step 4: Simplify right side
    12,562,455.87x = 187,110,008,449,094.91
  5. Step 5: Solve for x
    x = 187,110,008,449,094.91/12,562,455.87
  6. Step 6: Final answer
    x = 14,894,381.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.