Home / 19,575,931.20-29,363,896.80-5,201,217.60

Finding the Fourth Proportional to 19,575,931.20, 29,363,896.80 and 5,201,217.60

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Solution

The fourth proportional to 19,575,931.20, 29,363,896.80 and 5,201,217.60 is: 7,801,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575,931.20 : 29,363,896.80 = 5,201,217.60 : x
  2. Step 2: Convert to fraction form
    19,575,931.20/29,363,896.80 = 5,201,217.60/x
  3. Step 3: Cross multiply
    19,575,931.20x = 29,363,896.80 × 5,201,217.60
  4. Step 4: Simplify right side
    19,575,931.20x = 152,728,016,840,743.69
  5. Step 5: Solve for x
    x = 152,728,016,840,743.69/19,575,931.20
  6. Step 6: Final answer
    x = 7,801,826.40

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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.