Home / 7,318,812.51-10,100,020.64-4,055,681.77

Finding the Fourth Proportional to 7,318,812.51, 10,100,020.64 and 4,055,681.77

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Solution

The fourth proportional to 7,318,812.51, 10,100,020.64 and 4,055,681.77 is: 5,596,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318,812.51 : 10,100,020.64 = 4,055,681.77 : x
  2. Step 2: Convert to fraction form
    7,318,812.51/10,100,020.64 = 4,055,681.77/x
  3. Step 3: Cross multiply
    7,318,812.51x = 10,100,020.64 × 4,055,681.77
  4. Step 4: Simplify right side
    7,318,812.51x = 40,962,469,580,554.16
  5. Step 5: Solve for x
    x = 40,962,469,580,554.16/7,318,812.51
  6. Step 6: Final answer
    x = 5,596,873.74

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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.