Home / 21,351,538.60-32,027,307.90-7,885,580.20

Finding the Fourth Proportional to 21,351,538.60, 32,027,307.90 and 7,885,580.20

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Solution

The fourth proportional to 21,351,538.60, 32,027,307.90 and 7,885,580.20 is: 11,828,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351,538.60 : 32,027,307.90 = 7,885,580.20 : x
  2. Step 2: Convert to fraction form
    21,351,538.60/32,027,307.90 = 7,885,580.20/x
  3. Step 3: Cross multiply
    21,351,538.60x = 32,027,307.90 × 7,885,580.20
  4. Step 4: Simplify right side
    21,351,538.60x = 252,553,905,035,543.56
  5. Step 5: Solve for x
    x = 252,553,905,035,543.56/21,351,538.60
  6. Step 6: Final answer
    x = 11,828,370.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.