Home / 11,720,772.60-17,578,826.10-5,655,492.60

Finding the Fourth Proportional to 11,720,772.60, 17,578,826.10 and 5,655,492.60

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Solution

The fourth proportional to 11,720,772.60, 17,578,826.10 and 5,655,492.60 is: 8,482,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720,772.60 : 17,578,826.10 = 5,655,492.60 : x
  2. Step 2: Convert to fraction form
    11,720,772.60/17,578,826.10 = 5,655,492.60/x
  3. Step 3: Cross multiply
    11,720,772.60x = 17,578,826.10 × 5,655,492.60
  4. Step 4: Simplify right side
    11,720,772.60x = 99,416,920,925,236.86
  5. Step 5: Solve for x
    x = 99,416,920,925,236.86/11,720,772.60
  6. Step 6: Final answer
    x = 8,482,113.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.