Home / 12,750,686.89-17,596,358.70-7,243,961.83

Finding the Fourth Proportional to 12,750,686.89, 17,596,358.70 and 7,243,961.83

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Solution

The fourth proportional to 12,750,686.89, 17,596,358.70 and 7,243,961.83 is: 9,996,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750,686.89 : 17,596,358.70 = 7,243,961.83 : x
  2. Step 2: Convert to fraction form
    12,750,686.89/17,596,358.70 = 7,243,961.83/x
  3. Step 3: Cross multiply
    12,750,686.89x = 17,596,358.70 × 7,243,961.83
  4. Step 4: Simplify right side
    12,750,686.89x = 127,467,350,698,632.66
  5. Step 5: Solve for x
    x = 127,467,350,698,632.66/12,750,686.89
  6. Step 6: Final answer
    x = 9,996,900.70

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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.