Home / 7,139,415.90-10,693,377.45-4,294,566.30

Finding the Fourth Proportional to 7,139,415.90, 10,693,377.45 and 4,294,566.30

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Solution

The fourth proportional to 7,139,415.90, 10,693,377.45 and 4,294,566.30 is: 6,432,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,415.90 : 10,693,377.45 = 4,294,566.30 : x
  2. Step 2: Convert to fraction form
    7,139,415.90/10,693,377.45 = 4,294,566.30/x
  3. Step 3: Cross multiply
    7,139,415.90x = 10,693,377.45 × 4,294,566.30
  4. Step 4: Simplify right side
    7,139,415.90x = 45,923,418,429,949.93
  5. Step 5: Solve for x
    x = 45,923,418,429,949.93/7,139,415.90
  6. Step 6: Final answer
    x = 6,432,377.53

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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.