Home / 7,185,087.59-9,913,940.73-4,128,711.35

Finding the Fourth Proportional to 7,185,087.59, 9,913,940.73 and 4,128,711.35

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Solution

The fourth proportional to 7,185,087.59, 9,913,940.73 and 4,128,711.35 is: 5,696,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,087.59 : 9,913,940.73 = 4,128,711.35 : x
  2. Step 2: Convert to fraction form
    7,185,087.59/9,913,940.73 = 4,128,711.35/x
  3. Step 3: Cross multiply
    7,185,087.59x = 9,913,940.73 × 4,128,711.35
  4. Step 4: Simplify right side
    7,185,087.59x = 40,931,799,565,608.59
  5. Step 5: Solve for x
    x = 40,931,799,565,608.59/7,185,087.59
  6. Step 6: Final answer
    x = 5,696,771.14

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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.