Home / 20,360,209.60-30,529,816.80-7,574,132.80

Finding the Fourth Proportional to 20,360,209.60, 30,529,816.80 and 7,574,132.80

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Solution

The fourth proportional to 20,360,209.60, 30,529,816.80 and 7,574,132.80 is: 11,357,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,209.60 : 30,529,816.80 = 7,574,132.80 : x
  2. Step 2: Convert to fraction form
    20,360,209.60/30,529,816.80 = 7,574,132.80/x
  3. Step 3: Cross multiply
    20,360,209.60x = 30,529,816.80 × 7,574,132.80
  4. Step 4: Simplify right side
    20,360,209.60x = 231,236,886,802,871.03
  5. Step 5: Solve for x
    x = 231,236,886,802,871.03/20,360,209.60
  6. Step 6: Final answer
    x = 11,357,294.02

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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.