Home / 11,238,920.80-16,808,614.80-9,447,330.40

Finding the Fourth Proportional to 11,238,920.80, 16,808,614.80 and 9,447,330.40

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Solution

The fourth proportional to 11,238,920.80, 16,808,614.80 and 9,447,330.40 is: 14,129,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238,920.80 : 16,808,614.80 = 9,447,330.40 : x
  2. Step 2: Convert to fraction form
    11,238,920.80/16,808,614.80 = 9,447,330.40/x
  3. Step 3: Cross multiply
    11,238,920.80x = 16,808,614.80 × 9,447,330.40
  4. Step 4: Simplify right side
    11,238,920.80x = 158,796,537,581,929.94
  5. Step 5: Solve for x
    x = 158,796,537,581,929.94/11,238,920.80
  6. Step 6: Final answer
    x = 14,129,162.44

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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.