Home / 10,237,044.70-14,120,633.40-7,784,278.57

Finding the Fourth Proportional to 10,237,044.70, 14,120,633.40 and 7,784,278.57

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Solution

The fourth proportional to 10,237,044.70, 14,120,633.40 and 7,784,278.57 is: 10,737,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237,044.70 : 14,120,633.40 = 7,784,278.57 : x
  2. Step 2: Convert to fraction form
    10,237,044.70/14,120,633.40 = 7,784,278.57/x
  3. Step 3: Cross multiply
    10,237,044.70x = 14,120,633.40 × 7,784,278.57
  4. Step 4: Simplify right side
    10,237,044.70x = 109,918,943,970,446.25
  5. Step 5: Solve for x
    x = 109,918,943,970,446.25/10,237,044.70
  6. Step 6: Final answer
    x = 10,737,370.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.