Home / 12,635,038.80-18,956,057.40-8,383,510.80

Finding the Fourth Proportional to 12,635,038.80, 18,956,057.40 and 8,383,510.80

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Solution

The fourth proportional to 12,635,038.80, 18,956,057.40 and 8,383,510.80 is: 12,577,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,038.80 : 18,956,057.40 = 8,383,510.80 : x
  2. Step 2: Convert to fraction form
    12,635,038.80/18,956,057.40 = 8,383,510.80/x
  3. Step 3: Cross multiply
    12,635,038.80x = 18,956,057.40 × 8,383,510.80
  4. Step 4: Simplify right side
    12,635,038.80x = 158,918,311,938,319.91
  5. Step 5: Solve for x
    x = 158,918,311,938,319.91/12,635,038.80
  6. Step 6: Final answer
    x = 12,577,587.96

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1.5x scale

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.