Home / 19,619,623.32-29,420,855.64-9,898,255.32

Finding the Fourth Proportional to 19,619,623.32, 29,420,855.64 and 9,898,255.32

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Solution

The fourth proportional to 19,619,623.32, 29,420,855.64 and 9,898,255.32 is: 14,843,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619,623.32 : 29,420,855.64 = 9,898,255.32 : x
  2. Step 2: Convert to fraction form
    19,619,623.32/29,420,855.64 = 9,898,255.32/x
  3. Step 3: Cross multiply
    19,619,623.32x = 29,420,855.64 × 9,898,255.32
  4. Step 4: Simplify right side
    19,619,623.32x = 291,215,140,857,582
  5. Step 5: Solve for x
    x = 291,215,140,857,582/19,619,623.32
  6. Step 6: Final answer
    x = 14,843,054.64

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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.