Home / 15,175,438,726.02-20,944,297,065.69-8,744,027,409.78

Finding the Fourth Proportional to 15,175,438,726.02, 20,944,297,065.69 and 8,744,027,409.78

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Solution

The fourth proportional to 15,175,438,726.02, 20,944,297,065.69 and 8,744,027,409.78 is: 12,068,020,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175,438,726.02 : 20,944,297,065.69 = 8,744,027,409.78 : x
  2. Step 2: Convert to fraction form
    15,175,438,726.02/20,944,297,065.69 = 8,744,027,409.78/x
  3. Step 3: Cross multiply
    15,175,438,726.02x = 20,944,297,065.69 × 8,744,027,409.78
  4. Step 4: Simplify right side
    15,175,438,726.02x = 183,137,507,620,968,202,240
  5. Step 5: Solve for x
    x = 183,137,507,620,968,202,240/15,175,438,726.02
  6. Step 6: Final answer
    x = 12,068,020,630.40

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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.