Home / 13,142,723.40-19,714,085.10-4,621,952.70

Finding the Fourth Proportional to 13,142,723.40, 19,714,085.10 and 4,621,952.70

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Solution

The fourth proportional to 13,142,723.40, 19,714,085.10 and 4,621,952.70 is: 6,932,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,723.40 : 19,714,085.10 = 4,621,952.70 : x
  2. Step 2: Convert to fraction form
    13,142,723.40/19,714,085.10 = 4,621,952.70/x
  3. Step 3: Cross multiply
    13,142,723.40x = 19,714,085.10 × 4,621,952.70
  4. Step 4: Simplify right side
    13,142,723.40x = 91,117,568,855,974.78
  5. Step 5: Solve for x
    x = 91,117,568,855,974.78/13,142,723.40
  6. Step 6: Final answer
    x = 6,932,929.05

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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.