Home / 15,800,160.43-21,805,994.64-8,925,085.36

Finding the Fourth Proportional to 15,800,160.43, 21,805,994.64 and 8,925,085.36

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Solution

The fourth proportional to 15,800,160.43, 21,805,994.64 and 8,925,085.36 is: 12,317,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,160.43 : 21,805,994.64 = 8,925,085.36 : x
  2. Step 2: Convert to fraction form
    15,800,160.43/21,805,994.64 = 8,925,085.36/x
  3. Step 3: Cross multiply
    15,800,160.43x = 21,805,994.64 × 8,925,085.36
  4. Step 4: Simplify right side
    15,800,160.43x = 194,620,363,521,702.47
  5. Step 5: Solve for x
    x = 194,620,363,521,702.47/15,800,160.43
  6. Step 6: Final answer
    x = 12,317,619.46

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1.5x scale

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.