Home / 7,115,754.89-9,819,622.67-3,852,543.13

Finding the Fourth Proportional to 7,115,754.89, 9,819,622.67 and 3,852,543.13

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Solution

The fourth proportional to 7,115,754.89, 9,819,622.67 and 3,852,543.13 is: 5,316,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,754.89 : 9,819,622.67 = 3,852,543.13 : x
  2. Step 2: Convert to fraction form
    7,115,754.89/9,819,622.67 = 3,852,543.13/x
  3. Step 3: Cross multiply
    7,115,754.89x = 9,819,622.67 × 3,852,543.13
  4. Step 4: Simplify right side
    7,115,754.89x = 37,830,519,812,688.98
  5. Step 5: Solve for x
    x = 37,830,519,812,688.98/7,115,754.89
  6. Step 6: Final answer
    x = 5,316,445.04

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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.