Home / 52,305,395.52-72,182,106.80-28,786,639.32

Finding the Fourth Proportional to 52,305,395.52, 72,182,106.80 and 28,786,639.32

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Solution

The fourth proportional to 52,305,395.52, 72,182,106.80 and 28,786,639.32 is: 39,725,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,305,395.52 : 72,182,106.80 = 28,786,639.32 : x
  2. Step 2: Convert to fraction form
    52,305,395.52/72,182,106.80 = 28,786,639.32/x
  3. Step 3: Cross multiply
    52,305,395.52x = 72,182,106.80 × 28,786,639.32
  4. Step 4: Simplify right side
    52,305,395.52x = 2,077,880,273,809,319.25
  5. Step 5: Solve for x
    x = 2,077,880,273,809,319.25/52,305,395.52
  6. Step 6: Final answer
    x = 39,725,926.04

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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.