Home / 11,311,916-15,610,312.84-6,155,188.72

Finding the Fourth Proportional to 11,311,916, 15,610,312.84 and 6,155,188.72

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Solution

The fourth proportional to 11,311,916, 15,610,312.84 and 6,155,188.72 is: 8,494,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311,916 : 15,610,312.84 = 6,155,188.72 : x
  2. Step 2: Convert to fraction form
    11,311,916/15,610,312.84 = 6,155,188.72/x
  3. Step 3: Cross multiply
    11,311,916x = 15,610,312.84 × 6,155,188.72
  4. Step 4: Simplify right side
    11,311,916x = 96,084,421,508,439.16
  5. Step 5: Solve for x
    x = 96,084,421,508,439.16/11,311,916
  6. Step 6: Final answer
    x = 8,494,089.02

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1.5x scale

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.