Home / 20,830,345.46-31,247,014.91-7,183,295.51

Finding the Fourth Proportional to 20,830,345.46, 31,247,014.91 and 7,183,295.51

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Solution

The fourth proportional to 20,830,345.46, 31,247,014.91 and 7,183,295.51 is: 10,775,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,345.46 : 31,247,014.91 = 7,183,295.51 : x
  2. Step 2: Convert to fraction form
    20,830,345.46/31,247,014.91 = 7,183,295.51/x
  3. Step 3: Cross multiply
    20,830,345.46x = 31,247,014.91 × 7,183,295.51
  4. Step 4: Simplify right side
    20,830,345.46x = 224,456,541,711,754.50
  5. Step 5: Solve for x
    x = 224,456,541,711,754.50/20,830,345.46
  6. Step 6: Final answer
    x = 10,775,459.40

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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.