Home / 14,405,714.28-19,880,359.08-7,879,343.52

Finding the Fourth Proportional to 14,405,714.28, 19,880,359.08 and 7,879,343.52

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Solution

The fourth proportional to 14,405,714.28, 19,880,359.08 and 7,879,343.52 is: 10,873,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405,714.28 : 19,880,359.08 = 7,879,343.52 : x
  2. Step 2: Convert to fraction form
    14,405,714.28/19,880,359.08 = 7,879,343.52/x
  3. Step 3: Cross multiply
    14,405,714.28x = 19,880,359.08 × 7,879,343.52
  4. Step 4: Simplify right side
    14,405,714.28x = 156,644,178,492,271.12
  5. Step 5: Solve for x
    x = 156,644,178,492,271.12/14,405,714.28
  6. Step 6: Final answer
    x = 10,873,752.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.