Home / 35,664,880.47-49,216,702.38-20,981,492.34

Finding the Fourth Proportional to 35,664,880.47, 49,216,702.38 and 20,981,492.34

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Solution

The fourth proportional to 35,664,880.47, 49,216,702.38 and 20,981,492.34 is: 28,953,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,664,880.47 : 49,216,702.38 = 20,981,492.34 : x
  2. Step 2: Convert to fraction form
    35,664,880.47/49,216,702.38 = 20,981,492.34/x
  3. Step 3: Cross multiply
    35,664,880.47x = 49,216,702.38 × 20,981,492.34
  4. Step 4: Simplify right side
    35,664,880.47x = 1,032,639,863,986,029.88
  5. Step 5: Solve for x
    x = 1,032,639,863,986,029.88/35,664,880.47
  6. Step 6: Final answer
    x = 28,953,969.57

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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.