Home / 10,698,096.77-16,018,801.17-5,638,778.45

Finding the Fourth Proportional to 10,698,096.77, 16,018,801.17 and 5,638,778.45

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Solution

The fourth proportional to 10,698,096.77, 16,018,801.17 and 5,638,778.45 is: 8,443,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698,096.77 : 16,018,801.17 = 5,638,778.45 : x
  2. Step 2: Convert to fraction form
    10,698,096.77/16,018,801.17 = 5,638,778.45/x
  3. Step 3: Cross multiply
    10,698,096.77x = 16,018,801.17 × 5,638,778.45
  4. Step 4: Simplify right side
    10,698,096.77x = 90,326,470,723,942.89
  5. Step 5: Solve for x
    x = 90,326,470,723,942.89/10,698,096.77
  6. Step 6: Final answer
    x = 8,443,228.05

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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.