Home / 7,908,138.18-11,857,941.90-3,587,831.01

Finding the Fourth Proportional to 7,908,138.18, 11,857,941.90 and 3,587,831.01

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Solution

The fourth proportional to 7,908,138.18, 11,857,941.90 and 3,587,831.01 is: 5,379,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908,138.18 : 11,857,941.90 = 3,587,831.01 : x
  2. Step 2: Convert to fraction form
    7,908,138.18/11,857,941.90 = 3,587,831.01/x
  3. Step 3: Cross multiply
    7,908,138.18x = 11,857,941.90 × 3,587,831.01
  4. Step 4: Simplify right side
    7,908,138.18x = 42,544,291,663,598.32
  5. Step 5: Solve for x
    x = 42,544,291,663,598.32/7,908,138.18
  6. Step 6: Final answer
    x = 5,379,811.37

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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.