Home / 15,504,276-21,395,900.88-8,630,381.91

Finding the Fourth Proportional to 15,504,276, 21,395,900.88 and 8,630,381.91

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Solution

The fourth proportional to 15,504,276, 21,395,900.88 and 8,630,381.91 is: 11,909,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,276 : 21,395,900.88 = 8,630,381.91 : x
  2. Step 2: Convert to fraction form
    15,504,276/21,395,900.88 = 8,630,381.91/x
  3. Step 3: Cross multiply
    15,504,276x = 21,395,900.88 × 8,630,381.91
  4. Step 4: Simplify right side
    15,504,276x = 184,654,795,902,905.06
  5. Step 5: Solve for x
    x = 184,654,795,902,905.06/15,504,276
  6. Step 6: Final answer
    x = 11,909,927.04

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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.