Home / 7,137,312.57-9,849,498.99-3,874,126.80

Finding the Fourth Proportional to 7,137,312.57, 9,849,498.99 and 3,874,126.80

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Solution

The fourth proportional to 7,137,312.57, 9,849,498.99 and 3,874,126.80 is: 5,346,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,312.57 : 9,849,498.99 = 3,874,126.80 : x
  2. Step 2: Convert to fraction form
    7,137,312.57/9,849,498.99 = 3,874,126.80/x
  3. Step 3: Cross multiply
    7,137,312.57x = 9,849,498.99 × 3,874,126.80
  4. Step 4: Simplify right side
    7,137,312.57x = 38,158,208,003,731.93
  5. Step 5: Solve for x
    x = 38,158,208,003,731.93/7,137,312.57
  6. Step 6: Final answer
    x = 5,346,299.13

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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.