Home / 18,502,166.70-27,712,831.77-7,686,675.18

Finding the Fourth Proportional to 18,502,166.70, 27,712,831.77 and 7,686,675.18

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Solution

The fourth proportional to 18,502,166.70, 27,712,831.77 and 7,686,675.18 is: 11,513,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502,166.70 : 27,712,831.77 = 7,686,675.18 : x
  2. Step 2: Convert to fraction form
    18,502,166.70/27,712,831.77 = 7,686,675.18/x
  3. Step 3: Cross multiply
    18,502,166.70x = 27,712,831.77 × 7,686,675.18
  4. Step 4: Simplify right side
    18,502,166.70x = 213,019,536,133,974.47
  5. Step 5: Solve for x
    x = 213,019,536,133,974.47/18,502,166.70
  6. Step 6: Final answer
    x = 11,513,221.10

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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.