Home / 10,477,831.68-15,722,784-4,412,090.88

Finding the Fourth Proportional to 10,477,831.68, 15,722,784 and 4,412,090.88

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Solution

The fourth proportional to 10,477,831.68, 15,722,784 and 4,412,090.88 is: 6,620,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477,831.68 : 15,722,784 = 4,412,090.88 : x
  2. Step 2: Convert to fraction form
    10,477,831.68/15,722,784 = 4,412,090.88/x
  3. Step 3: Cross multiply
    10,477,831.68x = 15,722,784 × 4,412,090.88
  4. Step 4: Simplify right side
    10,477,831.68x = 69,370,351,894,609.92
  5. Step 5: Solve for x
    x = 69,370,351,894,609.92/10,477,831.68
  6. Step 6: Final answer
    x = 6,620,678.21

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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.