Home / 19,317,477.60-28,965,718.80-6,531,400.80

Finding the Fourth Proportional to 19,317,477.60, 28,965,718.80 and 6,531,400.80

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Solution

The fourth proportional to 19,317,477.60, 28,965,718.80 and 6,531,400.80 is: 9,793,551.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317,477.60 : 28,965,718.80 = 6,531,400.80 : x
  2. Step 2: Convert to fraction form
    19,317,477.60/28,965,718.80 = 6,531,400.80/x
  3. Step 3: Cross multiply
    19,317,477.60x = 28,965,718.80 × 6,531,400.80
  4. Step 4: Simplify right side
    19,317,477.60x = 189,186,718,942,895.03
  5. Step 5: Solve for x
    x = 189,186,718,942,895.03/19,317,477.60
  6. Step 6: Final answer
    x = 9,793,551.87

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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.