Home / 19,790,440.40-29,681,513.40-9,700,302.80

Finding the Fourth Proportional to 19,790,440.40, 29,681,513.40 and 9,700,302.80

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Solution

The fourth proportional to 19,790,440.40, 29,681,513.40 and 9,700,302.80 is: 14,548,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790,440.40 : 29,681,513.40 = 9,700,302.80 : x
  2. Step 2: Convert to fraction form
    19,790,440.40/29,681,513.40 = 9,700,302.80/x
  3. Step 3: Cross multiply
    19,790,440.40x = 29,681,513.40 × 9,700,302.80
  4. Step 4: Simplify right side
    19,790,440.40x = 287,919,667,542,257.50
  5. Step 5: Solve for x
    x = 287,919,667,542,257.50/19,790,440.40
  6. Step 6: Final answer
    x = 14,548,421.45

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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.