Home / 19,796,705.20-29,695,057.80-12,227,935.60

Finding the Fourth Proportional to 19,796,705.20, 29,695,057.80 and 12,227,935.60

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Solution

The fourth proportional to 19,796,705.20, 29,695,057.80 and 12,227,935.60 is: 18,341,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796,705.20 : 29,695,057.80 = 12,227,935.60 : x
  2. Step 2: Convert to fraction form
    19,796,705.20/29,695,057.80 = 12,227,935.60/x
  3. Step 3: Cross multiply
    19,796,705.20x = 29,695,057.80 × 12,227,935.60
  4. Step 4: Simplify right side
    19,796,705.20x = 363,109,254,416,677.69
  5. Step 5: Solve for x
    x = 363,109,254,416,677.69/19,796,705.20
  6. Step 6: Final answer
    x = 18,341,903.40

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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.