Home / 12,310,856.55-16,989,861.15-6,804,113.07

Finding the Fourth Proportional to 12,310,856.55, 16,989,861.15 and 6,804,113.07

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Solution

The fourth proportional to 12,310,856.55, 16,989,861.15 and 6,804,113.07 is: 9,390,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,856.55 : 16,989,861.15 = 6,804,113.07 : x
  2. Step 2: Convert to fraction form
    12,310,856.55/16,989,861.15 = 6,804,113.07/x
  3. Step 3: Cross multiply
    12,310,856.55x = 16,989,861.15 × 6,804,113.07
  4. Step 4: Simplify right side
    12,310,856.55x = 115,600,936,308,200.22
  5. Step 5: Solve for x
    x = 115,600,936,308,200.22/12,310,856.55
  6. Step 6: Final answer
    x = 9,390,161.91

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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.