Home / 7,640,362-10,543,492.74-4,333,262.77

Finding the Fourth Proportional to 7,640,362, 10,543,492.74 and 4,333,262.77

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Solution

The fourth proportional to 7,640,362, 10,543,492.74 and 4,333,262.77 is: 5,979,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,362 : 10,543,492.74 = 4,333,262.77 : x
  2. Step 2: Convert to fraction form
    7,640,362/10,543,492.74 = 4,333,262.77/x
  3. Step 3: Cross multiply
    7,640,362x = 10,543,492.74 × 4,333,262.77
  4. Step 4: Simplify right side
    7,640,362x = 45,687,724,503,289.82
  5. Step 5: Solve for x
    x = 45,687,724,503,289.82/7,640,362
  6. Step 6: Final answer
    x = 5,979,785.32

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Double scale
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1.5x scale

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.