Home / 15,630,813.97-21,562,587.63-10,665,531.18

Finding the Fourth Proportional to 15,630,813.97, 21,562,587.63 and 10,665,531.18

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Solution

The fourth proportional to 15,630,813.97, 21,562,587.63 and 10,665,531.18 is: 14,713,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630,813.97 : 21,562,587.63 = 10,665,531.18 : x
  2. Step 2: Convert to fraction form
    15,630,813.97/21,562,587.63 = 10,665,531.18/x
  3. Step 3: Cross multiply
    15,630,813.97x = 21,562,587.63 × 10,665,531.18
  4. Step 4: Simplify right side
    15,630,813.97x = 229,976,450,689,247.28
  5. Step 5: Solve for x
    x = 229,976,450,689,247.28/15,630,813.97
  6. Step 6: Final answer
    x = 14,713,018.22

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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.