Home / 16,816,379.50-23,206,603.08-9,081,421.12

Finding the Fourth Proportional to 16,816,379.50, 23,206,603.08 and 9,081,421.12

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Solution

The fourth proportional to 16,816,379.50, 23,206,603.08 and 9,081,421.12 is: 12,532,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816,379.50 : 23,206,603.08 = 9,081,421.12 : x
  2. Step 2: Convert to fraction form
    16,816,379.50/23,206,603.08 = 9,081,421.12/x
  3. Step 3: Cross multiply
    16,816,379.50x = 23,206,603.08 × 9,081,421.12
  4. Step 4: Simplify right side
    16,816,379.50x = 210,748,935,334,169
  5. Step 5: Solve for x
    x = 210,748,935,334,169/16,816,379.50
  6. Step 6: Final answer
    x = 12,532,360.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.