Home / 12,274,444.92-18,390,831.62-7,406,522.34

Finding the Fourth Proportional to 12,274,444.92, 18,390,831.62 and 7,406,522.34

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Solution

The fourth proportional to 12,274,444.92, 18,390,831.62 and 7,406,522.34 is: 11,097,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274,444.92 : 18,390,831.62 = 7,406,522.34 : x
  2. Step 2: Convert to fraction form
    12,274,444.92/18,390,831.62 = 7,406,522.34/x
  3. Step 3: Cross multiply
    12,274,444.92x = 18,390,831.62 × 7,406,522.34
  4. Step 4: Simplify right side
    12,274,444.92x = 136,212,105,244,708.39
  5. Step 5: Solve for x
    x = 136,212,105,244,708.39/12,274,444.92
  6. Step 6: Final answer
    x = 11,097,211.00

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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.