Home / 15,232,143.32-21,020,356.22-8,616,590.44

Finding the Fourth Proportional to 15,232,143.32, 21,020,356.22 and 8,616,590.44

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Solution

The fourth proportional to 15,232,143.32, 21,020,356.22 and 8,616,590.44 is: 11,890,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232,143.32 : 21,020,356.22 = 8,616,590.44 : x
  2. Step 2: Convert to fraction form
    15,232,143.32/21,020,356.22 = 8,616,590.44/x
  3. Step 3: Cross multiply
    15,232,143.32x = 21,020,356.22 × 8,616,590.44
  4. Step 4: Simplify right side
    15,232,143.32x = 181,123,800,450,646.50
  5. Step 5: Solve for x
    x = 181,123,800,450,646.50/15,232,143.32
  6. Step 6: Final answer
    x = 11,890,893.92

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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.