Home / 7,185,085.26-9,913,937.49-4,128,709.02

Finding the Fourth Proportional to 7,185,085.26, 9,913,937.49 and 4,128,709.02

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Solution

The fourth proportional to 7,185,085.26, 9,913,937.49 and 4,128,709.02 is: 5,696,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,085.26 : 9,913,937.49 = 4,128,709.02 : x
  2. Step 2: Convert to fraction form
    7,185,085.26/9,913,937.49 = 4,128,709.02/x
  3. Step 3: Cross multiply
    7,185,085.26x = 9,913,937.49 × 4,128,709.02
  4. Step 4: Simplify right side
    7,185,085.26x = 40,931,763,138,679.16
  5. Step 5: Solve for x
    x = 40,931,763,138,679.16/7,185,085.26
  6. Step 6: Final answer
    x = 5,696,767.91

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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.