Home / 9,146,298.57-13,720,702.63-5,309,921.93

Finding the Fourth Proportional to 9,146,298.57, 13,720,702.63 and 5,309,921.93

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Solution

The fourth proportional to 9,146,298.57, 13,720,702.63 and 5,309,921.93 is: 7,965,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146,298.57 : 13,720,702.63 = 5,309,921.93 : x
  2. Step 2: Convert to fraction form
    9,146,298.57/13,720,702.63 = 5,309,921.93/x
  3. Step 3: Cross multiply
    9,146,298.57x = 13,720,702.63 × 5,309,921.93
  4. Step 4: Simplify right side
    9,146,298.57x = 72,855,859,790,045.67
  5. Step 5: Solve for x
    x = 72,855,859,790,045.67/9,146,298.57
  6. Step 6: Final answer
    x = 7,965,611.36

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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.