Home / 15,803,330.32-21,808,479.72-8,927,687.44

Finding the Fourth Proportional to 15,803,330.32, 21,808,479.72 and 8,927,687.44

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Solution

The fourth proportional to 15,803,330.32, 21,808,479.72 and 8,927,687.44 is: 12,320,143.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,803,330.32 : 21,808,479.72 = 8,927,687.44 : x
  2. Step 2: Convert to fraction form
    15,803,330.32/21,808,479.72 = 8,927,687.44/x
  3. Step 3: Cross multiply
    15,803,330.32x = 21,808,479.72 × 8,927,687.44
  4. Step 4: Simplify right side
    15,803,330.32x = 194,699,290,481,738.69
  5. Step 5: Solve for x
    x = 194,699,290,481,738.69/15,803,330.32
  6. Step 6: Final answer
    x = 12,320,143.07

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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.