Home / 10,312,804.67-15,454,065.67-5,188,190.72

Finding the Fourth Proportional to 10,312,804.67, 15,454,065.67 and 5,188,190.72

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Solution

The fourth proportional to 10,312,804.67, 15,454,065.67 and 5,188,190.72 is: 7,774,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312,804.67 : 15,454,065.67 = 5,188,190.72 : x
  2. Step 2: Convert to fraction form
    10,312,804.67/15,454,065.67 = 5,188,190.72/x
  3. Step 3: Cross multiply
    10,312,804.67x = 15,454,065.67 × 5,188,190.72
  4. Step 4: Simplify right side
    10,312,804.67x = 80,178,640,095,364.58
  5. Step 5: Solve for x
    x = 80,178,640,095,364.58/10,312,804.67
  6. Step 6: Final answer
    x = 7,774,668.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.