Home / 30,247,225.20-45,329,365.80-19,431,327.60

Finding the Fourth Proportional to 30,247,225.20, 45,329,365.80 and 19,431,327.60

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Solution

The fourth proportional to 30,247,225.20, 45,329,365.80 and 19,431,327.60 is: 29,120,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247,225.20 : 45,329,365.80 = 19,431,327.60 : x
  2. Step 2: Convert to fraction form
    30,247,225.20/45,329,365.80 = 19,431,327.60/x
  3. Step 3: Cross multiply
    30,247,225.20x = 45,329,365.80 × 19,431,327.60
  4. Step 4: Simplify right side
    30,247,225.20x = 880,809,756,760,036.12
  5. Step 5: Solve for x
    x = 880,809,756,760,036.12/30,247,225.20
  6. Step 6: Final answer
    x = 29,120,349.09

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1.5x scale

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.