Home / 7,185,085.51-9,913,937.84-4,128,709.27

Finding the Fourth Proportional to 7,185,085.51, 9,913,937.84 and 4,128,709.27

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Solution

The fourth proportional to 7,185,085.51, 9,913,937.84 and 4,128,709.27 is: 5,696,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,085.51 : 9,913,937.84 = 4,128,709.27 : x
  2. Step 2: Convert to fraction form
    7,185,085.51/9,913,937.84 = 4,128,709.27/x
  3. Step 3: Cross multiply
    7,185,085.51x = 9,913,937.84 × 4,128,709.27
  4. Step 4: Simplify right side
    7,185,085.51x = 40,931,767,062,211.77
  5. Step 5: Solve for x
    x = 40,931,767,062,211.77/7,185,085.51
  6. Step 6: Final answer
    x = 5,696,768.26

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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.