Home / 12,156,818.33-16,765,039.67-9,684,259.17

Finding the Fourth Proportional to 12,156,818.33, 16,765,039.67 and 9,684,259.17

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Solution

The fourth proportional to 12,156,818.33, 16,765,039.67 and 9,684,259.17 is: 13,355,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,818.33 : 16,765,039.67 = 9,684,259.17 : x
  2. Step 2: Convert to fraction form
    12,156,818.33/16,765,039.67 = 9,684,259.17/x
  3. Step 3: Cross multiply
    12,156,818.33x = 16,765,039.67 × 9,684,259.17
  4. Step 4: Simplify right side
    12,156,818.33x = 162,356,989,142,624.41
  5. Step 5: Solve for x
    x = 162,356,989,142,624.41/12,156,818.33
  6. Step 6: Final answer
    x = 13,355,220.48

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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.