Home / 11,121,499.40-16,688,469.90-4,730,664.20

Finding the Fourth Proportional to 11,121,499.40, 16,688,469.90 and 4,730,664.20

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Solution

The fourth proportional to 11,121,499.40, 16,688,469.90 and 4,730,664.20 is: 7,098,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,499.40 : 16,688,469.90 = 4,730,664.20 : x
  2. Step 2: Convert to fraction form
    11,121,499.40/16,688,469.90 = 4,730,664.20/x
  3. Step 3: Cross multiply
    11,121,499.40x = 16,688,469.90 × 4,730,664.20
  4. Step 4: Simplify right side
    11,121,499.40x = 78,947,547,108,707.58
  5. Step 5: Solve for x
    x = 78,947,547,108,707.58/11,121,499.40
  6. Step 6: Final answer
    x = 7,098,642.39

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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.