Home / 9,656,438.22-13,337,673.84-7,219,855.05

Finding the Fourth Proportional to 9,656,438.22, 13,337,673.84 and 7,219,855.05

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Solution

The fourth proportional to 9,656,438.22, 13,337,673.84 and 7,219,855.05 is: 9,972,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,656,438.22 : 13,337,673.84 = 7,219,855.05 : x
  2. Step 2: Convert to fraction form
    9,656,438.22/13,337,673.84 = 7,219,855.05/x
  3. Step 3: Cross multiply
    9,656,438.22x = 13,337,673.84 × 7,219,855.05
  4. Step 4: Simplify right side
    9,656,438.22x = 96,296,071,828,976.89
  5. Step 5: Solve for x
    x = 96,296,071,828,976.89/9,656,438.22
  6. Step 6: Final answer
    x = 9,972,214.35

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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.