Home / 13,832,897.20-20,749,345.80-6,642,697.30

Finding the Fourth Proportional to 13,832,897.20, 20,749,345.80 and 6,642,697.30

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Solution

The fourth proportional to 13,832,897.20, 20,749,345.80 and 6,642,697.30 is: 9,964,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832,897.20 : 20,749,345.80 = 6,642,697.30 : x
  2. Step 2: Convert to fraction form
    13,832,897.20/20,749,345.80 = 6,642,697.30/x
  3. Step 3: Cross multiply
    13,832,897.20x = 20,749,345.80 × 6,642,697.30
  4. Step 4: Simplify right side
    13,832,897.20x = 137,831,623,322,426.34
  5. Step 5: Solve for x
    x = 137,831,623,322,426.34/13,832,897.20
  6. Step 6: Final answer
    x = 9,964,045.95

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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.