Home / 5,136,911.15-7,088,516.82-2,931,763.14

Finding the Fourth Proportional to 5,136,911.15, 7,088,516.82 and 2,931,763.14

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Solution

The fourth proportional to 5,136,911.15, 7,088,516.82 and 2,931,763.14 is: 4,045,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,911.15 : 7,088,516.82 = 2,931,763.14 : x
  2. Step 2: Convert to fraction form
    5,136,911.15/7,088,516.82 = 2,931,763.14/x
  3. Step 3: Cross multiply
    5,136,911.15x = 7,088,516.82 × 2,931,763.14
  4. Step 4: Simplify right side
    5,136,911.15x = 20,781,852,330,146.02
  5. Step 5: Solve for x
    x = 20,781,852,330,146.02/5,136,911.15
  6. Step 6: Final answer
    x = 4,045,593.11

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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.