Home / 21,908,666.60-32,865,989.10-9,126,181.94

Finding the Fourth Proportional to 21,908,666.60, 32,865,989.10 and 9,126,181.94

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Solution

The fourth proportional to 21,908,666.60, 32,865,989.10 and 9,126,181.94 is: 13,690,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,908,666.60 : 32,865,989.10 = 9,126,181.94 : x
  2. Step 2: Convert to fraction form
    21,908,666.60/32,865,989.10 = 9,126,181.94/x
  3. Step 3: Cross multiply
    21,908,666.60x = 32,865,989.10 × 9,126,181.94
  4. Step 4: Simplify right side
    21,908,666.60x = 299,940,996,164,656.88
  5. Step 5: Solve for x
    x = 299,940,996,164,656.88/21,908,666.60
  6. Step 6: Final answer
    x = 13,690,518.08

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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.