Home / 11,238,919.80-16,808,613.30-9,447,329.40

Finding the Fourth Proportional to 11,238,919.80, 16,808,613.30 and 9,447,329.40

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Solution

The fourth proportional to 11,238,919.80, 16,808,613.30 and 9,447,329.40 is: 14,129,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238,919.80 : 16,808,613.30 = 9,447,329.40 : x
  2. Step 2: Convert to fraction form
    11,238,919.80/16,808,613.30 = 9,447,329.40/x
  3. Step 3: Cross multiply
    11,238,919.80x = 16,808,613.30 × 9,447,329.40
  4. Step 4: Simplify right side
    11,238,919.80x = 158,796,506,602,321.03
  5. Step 5: Solve for x
    x = 158,796,506,602,321.03/11,238,919.80
  6. Step 6: Final answer
    x = 14,129,160.94

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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.