Home / 7,388,686.73-10,190,776.64-6,357,921.86

Finding the Fourth Proportional to 7,388,686.73, 10,190,776.64 and 6,357,921.86

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Solution

The fourth proportional to 7,388,686.73, 10,190,776.64 and 6,357,921.86 is: 8,769,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388,686.73 : 10,190,776.64 = 6,357,921.86 : x
  2. Step 2: Convert to fraction form
    7,388,686.73/10,190,776.64 = 6,357,921.86/x
  3. Step 3: Cross multiply
    7,388,686.73x = 10,190,776.64 × 6,357,921.86
  4. Step 4: Simplify right side
    7,388,686.73x = 64,792,161,487,089.86
  5. Step 5: Solve for x
    x = 64,792,161,487,089.86/7,388,686.73
  6. Step 6: Final answer
    x = 8,769,103.89

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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.