Home / 36,291,748.80-54,437,623.20-12,357,220.80

Finding the Fourth Proportional to 36,291,748.80, 54,437,623.20 and 12,357,220.80

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Solution

The fourth proportional to 36,291,748.80, 54,437,623.20 and 12,357,220.80 is: 18,535,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291,748.80 : 54,437,623.20 = 12,357,220.80 : x
  2. Step 2: Convert to fraction form
    36,291,748.80/54,437,623.20 = 12,357,220.80/x
  3. Step 3: Cross multiply
    36,291,748.80x = 54,437,623.20 × 12,357,220.80
  4. Step 4: Simplify right side
    36,291,748.80x = 672,697,729,709,602.62
  5. Step 5: Solve for x
    x = 672,697,729,709,602.62/36,291,748.80
  6. Step 6: Final answer
    x = 18,535,831.20

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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.