Home / 39,081,394.46-53,938,792.80-21,683,344.74

Finding the Fourth Proportional to 39,081,394.46, 53,938,792.80 and 21,683,344.74

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Solution

The fourth proportional to 39,081,394.46, 53,938,792.80 and 21,683,344.74 is: 29,926,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081,394.46 : 53,938,792.80 = 21,683,344.74 : x
  2. Step 2: Convert to fraction form
    39,081,394.46/53,938,792.80 = 21,683,344.74/x
  3. Step 3: Cross multiply
    39,081,394.46x = 53,938,792.80 × 21,683,344.74
  4. Step 4: Simplify right side
    39,081,394.46x = 1,169,573,439,141,829.75
  5. Step 5: Solve for x
    x = 1,169,573,439,141,829.75/39,081,394.46
  6. Step 6: Final answer
    x = 29,926,604.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.