Home / 10,509,004.42-15,750,726.59-7,435,880.65

Finding the Fourth Proportional to 10,509,004.42, 15,750,726.59 and 7,435,880.65

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Solution

The fourth proportional to 10,509,004.42, 15,750,726.59 and 7,435,880.65 is: 11,144,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,004.42 : 15,750,726.59 = 7,435,880.65 : x
  2. Step 2: Convert to fraction form
    10,509,004.42/15,750,726.59 = 7,435,880.65/x
  3. Step 3: Cross multiply
    10,509,004.42x = 15,750,726.59 × 7,435,880.65
  4. Step 4: Simplify right side
    10,509,004.42x = 117,120,523,112,299.59
  5. Step 5: Solve for x
    x = 117,120,523,112,299.59/10,509,004.42
  6. Step 6: Final answer
    x = 11,144,778.18

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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.