Home / 13,285,416.80-19,932,790.80-5,714,703.20

Finding the Fourth Proportional to 13,285,416.80, 19,932,790.80 and 5,714,703.20

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Solution

The fourth proportional to 13,285,416.80, 19,932,790.80 and 5,714,703.20 is: 8,574,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,416.80 : 19,932,790.80 = 5,714,703.20 : x
  2. Step 2: Convert to fraction form
    13,285,416.80/19,932,790.80 = 5,714,703.20/x
  3. Step 3: Cross multiply
    13,285,416.80x = 19,932,790.80 × 5,714,703.20
  4. Step 4: Simplify right side
    13,285,416.80x = 113,909,983,369,690.56
  5. Step 5: Solve for x
    x = 113,909,983,369,690.56/13,285,416.80
  6. Step 6: Final answer
    x = 8,574,061.70

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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.