Home / 7,079,980.68-9,771,128.76-4,140,696.42

Finding the Fourth Proportional to 7,079,980.68, 9,771,128.76 and 4,140,696.42

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Solution

The fourth proportional to 7,079,980.68, 9,771,128.76 and 4,140,696.42 is: 5,714,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079,980.68 : 9,771,128.76 = 4,140,696.42 : x
  2. Step 2: Convert to fraction form
    7,079,980.68/9,771,128.76 = 4,140,696.42/x
  3. Step 3: Cross multiply
    7,079,980.68x = 9,771,128.76 × 4,140,696.42
  4. Step 4: Simplify right side
    7,079,980.68x = 40,459,277,875,891.04
  5. Step 5: Solve for x
    x = 40,459,277,875,891.04/7,079,980.68
  6. Step 6: Final answer
    x = 5,714,602.86

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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.