Home / 20,574,931.60-30,830,904.60-19,441,190.80

Finding the Fourth Proportional to 20,574,931.60, 30,830,904.60 and 19,441,190.80

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Solution

The fourth proportional to 20,574,931.60, 30,830,904.60 and 19,441,190.80 is: 29,132,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574,931.60 : 30,830,904.60 = 19,441,190.80 : x
  2. Step 2: Convert to fraction form
    20,574,931.60/30,830,904.60 = 19,441,190.80/x
  3. Step 3: Cross multiply
    20,574,931.60x = 30,830,904.60 × 19,441,190.80
  4. Step 4: Simplify right side
    20,574,931.60x = 599,389,498,865,197.75
  5. Step 5: Solve for x
    x = 599,389,498,865,197.75/20,574,931.60
  6. Step 6: Final answer
    x = 29,132,028.75

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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.