Home / 20,678,155.08-31,020,599.16-6,106,548.48

Finding the Fourth Proportional to 20,678,155.08, 31,020,599.16 and 6,106,548.48

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Solution

The fourth proportional to 20,678,155.08, 31,020,599.16 and 6,106,548.48 is: 9,160,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,678,155.08 : 31,020,599.16 = 6,106,548.48 : x
  2. Step 2: Convert to fraction form
    20,678,155.08/31,020,599.16 = 6,106,548.48/x
  3. Step 3: Cross multiply
    20,678,155.08x = 31,020,599.16 × 6,106,548.48
  4. Step 4: Simplify right side
    20,678,155.08x = 189,428,792,649,187.28
  5. Step 5: Solve for x
    x = 189,428,792,649,187.28/20,678,155.08
  6. Step 6: Final answer
    x = 9,160,816.91

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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.