Home / 8,991,381.30-12,409,242.57-5,896,509

Finding the Fourth Proportional to 8,991,381.30, 12,409,242.57 and 5,896,509

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Solution

The fourth proportional to 8,991,381.30, 12,409,242.57 and 5,896,509 is: 8,137,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,381.30 : 12,409,242.57 = 5,896,509 : x
  2. Step 2: Convert to fraction form
    8,991,381.30/12,409,242.57 = 5,896,509/x
  3. Step 3: Cross multiply
    8,991,381.30x = 12,409,242.57 × 5,896,509
  4. Step 4: Simplify right side
    8,991,381.30x = 73,171,210,497,188.12
  5. Step 5: Solve for x
    x = 73,171,210,497,188.12/8,991,381.30
  6. Step 6: Final answer
    x = 8,137,927.65

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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.