Home / 15,438,641.04-21,305,336.40-8,563,172.40

Finding the Fourth Proportional to 15,438,641.04, 21,305,336.40 and 8,563,172.40

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Solution

The fourth proportional to 15,438,641.04, 21,305,336.40 and 8,563,172.40 is: 11,817,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438,641.04 : 21,305,336.40 = 8,563,172.40 : x
  2. Step 2: Convert to fraction form
    15,438,641.04/21,305,336.40 = 8,563,172.40/x
  3. Step 3: Cross multiply
    15,438,641.04x = 21,305,336.40 × 8,563,172.40
  4. Step 4: Simplify right side
    15,438,641.04x = 182,441,268,633,195.34
  5. Step 5: Solve for x
    x = 182,441,268,633,195.34/15,438,641.04
  6. Step 6: Final answer
    x = 11,817,184.44

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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.