Home / 19,796,999.40-29,695,499.10-18,362,108.70

Finding the Fourth Proportional to 19,796,999.40, 29,695,499.10 and 18,362,108.70

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Solution

The fourth proportional to 19,796,999.40, 29,695,499.10 and 18,362,108.70 is: 27,543,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796,999.40 : 29,695,499.10 = 18,362,108.70 : x
  2. Step 2: Convert to fraction form
    19,796,999.40/29,695,499.10 = 18,362,108.70/x
  3. Step 3: Cross multiply
    19,796,999.40x = 29,695,499.10 × 18,362,108.70
  4. Step 4: Simplify right side
    19,796,999.40x = 545,271,982,374,952.19
  5. Step 5: Solve for x
    x = 545,271,982,374,952.19/19,796,999.40
  6. Step 6: Final answer
    x = 27,543,163.05

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1.5x scale

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.