Home / 39,972,942.81-59,981,584.90-19,502,830.58

Finding the Fourth Proportional to 39,972,942.81, 59,981,584.90 and 19,502,830.58

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Solution

The fourth proportional to 39,972,942.81, 59,981,584.90 and 19,502,830.58 is: 29,265,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972,942.81 : 59,981,584.90 = 19,502,830.58 : x
  2. Step 2: Convert to fraction form
    39,972,942.81/59,981,584.90 = 19,502,830.58/x
  3. Step 3: Cross multiply
    39,972,942.81x = 59,981,584.90 × 19,502,830.58
  4. Step 4: Simplify right side
    39,972,942.81x = 1,169,810,688,173,987.75
  5. Step 5: Solve for x
    x = 1,169,810,688,173,987.75/39,972,942.81
  6. Step 6: Final answer
    x = 29,265,062.96

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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.