Home / 15,225,663.15-21,009,471.59-8,699,715.09

Finding the Fourth Proportional to 15,225,663.15, 21,009,471.59 and 8,699,715.09

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Solution

The fourth proportional to 15,225,663.15, 21,009,471.59 and 8,699,715.09 is: 12,004,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,225,663.15 : 21,009,471.59 = 8,699,715.09 : x
  2. Step 2: Convert to fraction form
    15,225,663.15/21,009,471.59 = 8,699,715.09/x
  3. Step 3: Cross multiply
    15,225,663.15x = 21,009,471.59 × 8,699,715.09
  4. Step 4: Simplify right side
    15,225,663.15x = 182,776,417,046,198.59
  5. Step 5: Solve for x
    x = 182,776,417,046,198.59/15,225,663.15
  6. Step 6: Final answer
    x = 12,004,496.31

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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.