Home / 15,247,927.24-21,042,139.70-8,372,409.30

Finding the Fourth Proportional to 15,247,927.24, 21,042,139.70 and 8,372,409.30

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Solution

The fourth proportional to 15,247,927.24, 21,042,139.70 and 8,372,409.30 is: 11,553,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,927.24 : 21,042,139.70 = 8,372,409.30 : x
  2. Step 2: Convert to fraction form
    15,247,927.24/21,042,139.70 = 8,372,409.30/x
  3. Step 3: Cross multiply
    15,247,927.24x = 21,042,139.70 × 8,372,409.30
  4. Step 4: Simplify right side
    15,247,927.24x = 176,173,406,116,179.19
  5. Step 5: Solve for x
    x = 176,173,406,116,179.19/15,247,927.24
  6. Step 6: Final answer
    x = 11,553,924.89

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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.