Home / 7,185,084.55-9,913,936.52-4,128,708.31

Finding the Fourth Proportional to 7,185,084.55, 9,913,936.52 and 4,128,708.31

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Solution

The fourth proportional to 7,185,084.55, 9,913,936.52 and 4,128,708.31 is: 5,696,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,084.55 : 9,913,936.52 = 4,128,708.31 : x
  2. Step 2: Convert to fraction form
    7,185,084.55/9,913,936.52 = 4,128,708.31/x
  3. Step 3: Cross multiply
    7,185,084.55x = 9,913,936.52 × 4,128,708.31
  4. Step 4: Simplify right side
    7,185,084.55x = 40,931,752,130,434.34
  5. Step 5: Solve for x
    x = 40,931,752,130,434.34/7,185,084.55
  6. Step 6: Final answer
    x = 5,696,766.94

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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.