Home / 19,790,586.40-29,681,732.40-9,700,448.80

Finding the Fourth Proportional to 19,790,586.40, 29,681,732.40 and 9,700,448.80

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Solution

The fourth proportional to 19,790,586.40, 29,681,732.40 and 9,700,448.80 is: 14,548,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790,586.40 : 29,681,732.40 = 9,700,448.80 : x
  2. Step 2: Convert to fraction form
    19,790,586.40/29,681,732.40 = 9,700,448.80/x
  3. Step 3: Cross multiply
    19,790,586.40x = 29,681,732.40 × 9,700,448.80
  4. Step 4: Simplify right side
    19,790,586.40x = 287,926,125,441,501.12
  5. Step 5: Solve for x
    x = 287,926,125,441,501.12/19,790,586.40
  6. Step 6: Final answer
    x = 14,548,640.43

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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.