Home / 19,336,572.80-28,971,681.60-9,217,404.80

Finding the Fourth Proportional to 19,336,572.80, 28,971,681.60 and 9,217,404.80

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Solution

The fourth proportional to 19,336,572.80, 28,971,681.60 and 9,217,404.80 is: 13,810,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336,572.80 : 28,971,681.60 = 9,217,404.80 : x
  2. Step 2: Convert to fraction form
    19,336,572.80/28,971,681.60 = 9,217,404.80/x
  3. Step 3: Cross multiply
    19,336,572.80x = 28,971,681.60 × 9,217,404.80
  4. Step 4: Simplify right side
    19,336,572.80x = 267,043,717,043,911.72
  5. Step 5: Solve for x
    x = 267,043,717,043,911.72/19,336,572.80
  6. Step 6: Final answer
    x = 13,810,292.02

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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.