Home / 39,367,639.71-54,330,424.14-21,730,044.48

Finding the Fourth Proportional to 39,367,639.71, 54,330,424.14 and 21,730,044.48

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Solution

The fourth proportional to 39,367,639.71, 54,330,424.14 and 21,730,044.48 is: 29,989,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,367,639.71 : 54,330,424.14 = 21,730,044.48 : x
  2. Step 2: Convert to fraction form
    39,367,639.71/54,330,424.14 = 21,730,044.48/x
  3. Step 3: Cross multiply
    39,367,639.71x = 54,330,424.14 × 21,730,044.48
  4. Step 4: Simplify right side
    39,367,639.71x = 1,180,602,533,179,465.75
  5. Step 5: Solve for x
    x = 1,180,602,533,179,465.75/39,367,639.71
  6. Step 6: Final answer
    x = 29,989,162.21

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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.