Home / 20,202,006.40-30,303,009.60-5,055,913.60

Finding the Fourth Proportional to 20,202,006.40, 30,303,009.60 and 5,055,913.60

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Solution

The fourth proportional to 20,202,006.40, 30,303,009.60 and 5,055,913.60 is: 7,583,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202,006.40 : 30,303,009.60 = 5,055,913.60 : x
  2. Step 2: Convert to fraction form
    20,202,006.40/30,303,009.60 = 5,055,913.60/x
  3. Step 3: Cross multiply
    20,202,006.40x = 30,303,009.60 × 5,055,913.60
  4. Step 4: Simplify right side
    20,202,006.40x = 153,209,398,357,570.56
  5. Step 5: Solve for x
    x = 153,209,398,357,570.56/20,202,006.40
  6. Step 6: Final answer
    x = 7,583,870.40

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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.