Home / 13,837,132.40-19,095,279.72-7,725,779.60

Finding the Fourth Proportional to 13,837,132.40, 19,095,279.72 and 7,725,779.60

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Solution

The fourth proportional to 13,837,132.40, 19,095,279.72 and 7,725,779.60 is: 10,661,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837,132.40 : 19,095,279.72 = 7,725,779.60 : x
  2. Step 2: Convert to fraction form
    13,837,132.40/19,095,279.72 = 7,725,779.60/x
  3. Step 3: Cross multiply
    13,837,132.40x = 19,095,279.72 × 7,725,779.60
  4. Step 4: Simplify right side
    13,837,132.40x = 147,525,922,517,069.69
  5. Step 5: Solve for x
    x = 147,525,922,517,069.69/13,837,132.40
  6. Step 6: Final answer
    x = 10,661,596.51

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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.