Home / 15,747,631.19-23,630,747-6,649,139.83

Finding the Fourth Proportional to 15,747,631.19, 23,630,747 and 6,649,139.83

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Solution

The fourth proportional to 15,747,631.19, 23,630,747 and 6,649,139.83 is: 9,977,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747,631.19 : 23,630,747 = 6,649,139.83 : x
  2. Step 2: Convert to fraction form
    15,747,631.19/23,630,747 = 6,649,139.83/x
  3. Step 3: Cross multiply
    15,747,631.19x = 23,630,747 × 6,649,139.83
  4. Step 4: Simplify right side
    15,747,631.19x = 157,124,141,090,353
  5. Step 5: Solve for x
    x = 157,124,141,090,353/15,747,631.19
  6. Step 6: Final answer
    x = 9,977,636.59

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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.