Home / 30,535,665.85-45,803,469.61-7,816,526.65

Finding the Fourth Proportional to 30,535,665.85, 45,803,469.61 and 7,816,526.65

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Solution

The fourth proportional to 30,535,665.85, 45,803,469.61 and 7,816,526.65 is: 11,724,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535,665.85 : 45,803,469.61 = 7,816,526.65 : x
  2. Step 2: Convert to fraction form
    30,535,665.85/45,803,469.61 = 7,816,526.65/x
  3. Step 3: Cross multiply
    30,535,665.85x = 45,803,469.61 × 7,816,526.65
  4. Step 4: Simplify right side
    30,535,665.85x = 358,024,040,734,980.12
  5. Step 5: Solve for x
    x = 358,024,040,734,980.12/30,535,665.85
  6. Step 6: Final answer
    x = 11,724,782.51

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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.