Home / 30,656,169.30-45,993,129.76-9,091,289.96

Finding the Fourth Proportional to 30,656,169.30, 45,993,129.76 and 9,091,289.96

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Solution

The fourth proportional to 30,656,169.30, 45,993,129.76 and 9,091,289.96 is: 13,639,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656,169.30 : 45,993,129.76 = 9,091,289.96 : x
  2. Step 2: Convert to fraction form
    30,656,169.30/45,993,129.76 = 9,091,289.96/x
  3. Step 3: Cross multiply
    30,656,169.30x = 45,993,129.76 × 9,091,289.96
  4. Step 4: Simplify right side
    30,656,169.30x = 418,136,878,816,065.25
  5. Step 5: Solve for x
    x = 418,136,878,816,065.25/30,656,169.30
  6. Step 6: Final answer
    x = 13,639,567.12

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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.