Home / 7,400,355.21-10,215,638.19-4,500,677.52

Finding the Fourth Proportional to 7,400,355.21, 10,215,638.19 and 4,500,677.52

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Solution

The fourth proportional to 7,400,355.21, 10,215,638.19 and 4,500,677.52 is: 6,212,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400,355.21 : 10,215,638.19 = 4,500,677.52 : x
  2. Step 2: Convert to fraction form
    7,400,355.21/10,215,638.19 = 4,500,677.52/x
  3. Step 3: Cross multiply
    7,400,355.21x = 10,215,638.19 × 4,500,677.52
  4. Step 4: Simplify right side
    7,400,355.21x = 45,977,293,154,186.48
  5. Step 5: Solve for x
    x = 45,977,293,154,186.48/7,400,355.21
  6. Step 6: Final answer
    x = 6,212,849.50

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Double scale
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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.