Home / 20,134,402.30-30,212,101.05-8,775,999.10

Finding the Fourth Proportional to 20,134,402.30, 30,212,101.05 and 8,775,999.10

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Solution

The fourth proportional to 20,134,402.30, 30,212,101.05 and 8,775,999.10 is: 13,168,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134,402.30 : 30,212,101.05 = 8,775,999.10 : x
  2. Step 2: Convert to fraction form
    20,134,402.30/30,212,101.05 = 8,775,999.10/x
  3. Step 3: Cross multiply
    20,134,402.30x = 30,212,101.05 × 8,775,999.10
  4. Step 4: Simplify right side
    20,134,402.30x = 265,141,371,623,909.06
  5. Step 5: Solve for x
    x = 265,141,371,623,909.06/20,134,402.30
  6. Step 6: Final answer
    x = 13,168,574.25

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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.