Home / 15,708,605.42-21,678,004.95-8,833,027.34

Finding the Fourth Proportional to 15,708,605.42, 21,678,004.95 and 8,833,027.34

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Solution

The fourth proportional to 15,708,605.42, 21,678,004.95 and 8,833,027.34 is: 12,189,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708,605.42 : 21,678,004.95 = 8,833,027.34 : x
  2. Step 2: Convert to fraction form
    15,708,605.42/21,678,004.95 = 8,833,027.34/x
  3. Step 3: Cross multiply
    15,708,605.42x = 21,678,004.95 × 8,833,027.34
  4. Step 4: Simplify right side
    15,708,605.42x = 191,482,410,400,005.31
  5. Step 5: Solve for x
    x = 191,482,410,400,005.31/15,708,605.42
  6. Step 6: Final answer
    x = 12,189,650.53

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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.