Home / 21,593,765.70-32,390,648.55-8,810,021.70

Finding the Fourth Proportional to 21,593,765.70, 32,390,648.55 and 8,810,021.70

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Solution

The fourth proportional to 21,593,765.70, 32,390,648.55 and 8,810,021.70 is: 13,215,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593,765.70 : 32,390,648.55 = 8,810,021.70 : x
  2. Step 2: Convert to fraction form
    21,593,765.70/32,390,648.55 = 8,810,021.70/x
  3. Step 3: Cross multiply
    21,593,765.70x = 32,390,648.55 × 8,810,021.70
  4. Step 4: Simplify right side
    21,593,765.70x = 285,362,316,602,573.50
  5. Step 5: Solve for x
    x = 285,362,316,602,573.50/21,593,765.70
  6. Step 6: Final answer
    x = 13,215,032.55

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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.