Home / 34,785,880.80-52,178,821.20-21,852,837.60

Finding the Fourth Proportional to 34,785,880.80, 52,178,821.20 and 21,852,837.60

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Solution

The fourth proportional to 34,785,880.80, 52,178,821.20 and 21,852,837.60 is: 32,779,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785,880.80 : 52,178,821.20 = 21,852,837.60 : x
  2. Step 2: Convert to fraction form
    34,785,880.80/52,178,821.20 = 21,852,837.60/x
  3. Step 3: Cross multiply
    34,785,880.80x = 52,178,821.20 × 21,852,837.60
  4. Step 4: Simplify right side
    34,785,880.80x = 1,140,255,305,843,037.25
  5. Step 5: Solve for x
    x = 1,140,255,305,843,037.25/34,785,880.80
  6. Step 6: Final answer
    x = 32,779,256.40

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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.