Home / 7,638,316.65-10,540,666.71-4,200,557.68

Finding the Fourth Proportional to 7,638,316.65, 10,540,666.71 and 4,200,557.68

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Solution

The fourth proportional to 7,638,316.65, 10,540,666.71 and 4,200,557.68 is: 5,796,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,316.65 : 10,540,666.71 = 4,200,557.68 : x
  2. Step 2: Convert to fraction form
    7,638,316.65/10,540,666.71 = 4,200,557.68/x
  3. Step 3: Cross multiply
    7,638,316.65x = 10,540,666.71 × 4,200,557.68
  4. Step 4: Simplify right side
    7,638,316.65x = 44,276,678,474,659.17
  5. Step 5: Solve for x
    x = 44,276,678,474,659.17/7,638,316.65
  6. Step 6: Final answer
    x = 5,796,653.96

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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.