Home / 19,407,860.20-29,111,790.30-8,047,124.20

Finding the Fourth Proportional to 19,407,860.20, 29,111,790.30 and 8,047,124.20

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Solution

The fourth proportional to 19,407,860.20, 29,111,790.30 and 8,047,124.20 is: 12,070,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407,860.20 : 29,111,790.30 = 8,047,124.20 : x
  2. Step 2: Convert to fraction form
    19,407,860.20/29,111,790.30 = 8,047,124.20/x
  3. Step 3: Cross multiply
    19,407,860.20x = 29,111,790.30 × 8,047,124.20
  4. Step 4: Simplify right side
    19,407,860.20x = 234,266,192,228,455.28
  5. Step 5: Solve for x
    x = 234,266,192,228,455.28/19,407,860.20
  6. Step 6: Final answer
    x = 12,070,686.30

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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.