Home / 19,008,004.60-28,519,005.30-7,656,599.80

Finding the Fourth Proportional to 19,008,004.60, 28,519,005.30 and 7,656,599.80

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Solution

The fourth proportional to 19,008,004.60, 28,519,005.30 and 7,656,599.80 is: 11,487,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,004.60 : 28,519,005.30 = 7,656,599.80 : x
  2. Step 2: Convert to fraction form
    19,008,004.60/28,519,005.30 = 7,656,599.80/x
  3. Step 3: Cross multiply
    19,008,004.60x = 28,519,005.30 × 7,656,599.80
  4. Step 4: Simplify right side
    19,008,004.60x = 218,358,610,276,178.94
  5. Step 5: Solve for x
    x = 218,358,610,276,178.94/19,008,004.60
  6. Step 6: Final answer
    x = 11,487,718.72

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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.