Home / 7,614,518.40-11,421,777.60-7,278,595.20

Finding the Fourth Proportional to 7,614,518.40, 11,421,777.60 and 7,278,595.20

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Solution

The fourth proportional to 7,614,518.40, 11,421,777.60 and 7,278,595.20 is: 10,917,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614,518.40 : 11,421,777.60 = 7,278,595.20 : x
  2. Step 2: Convert to fraction form
    7,614,518.40/11,421,777.60 = 7,278,595.20/x
  3. Step 3: Cross multiply
    7,614,518.40x = 11,421,777.60 × 7,278,595.20
  4. Step 4: Simplify right side
    7,614,518.40x = 83,134,495,614,827.52
  5. Step 5: Solve for x
    x = 83,134,495,614,827.52/7,614,518.40
  6. Step 6: Final answer
    x = 10,917,892.80

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1.5x scale

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.