Home / 20,225,055.60-30,337,583.40-13,422,610.80

Finding the Fourth Proportional to 20,225,055.60, 30,337,583.40 and 13,422,610.80

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Solution

The fourth proportional to 20,225,055.60, 30,337,583.40 and 13,422,610.80 is: 20,133,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225,055.60 : 30,337,583.40 = 13,422,610.80 : x
  2. Step 2: Convert to fraction form
    20,225,055.60/30,337,583.40 = 13,422,610.80/x
  3. Step 3: Cross multiply
    20,225,055.60x = 30,337,583.40 × 13,422,610.80
  4. Step 4: Simplify right side
    20,225,055.60x = 407,209,574,590,740.75
  5. Step 5: Solve for x
    x = 407,209,574,590,740.75/20,225,055.60
  6. Step 6: Final answer
    x = 20,133,916.20

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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.