Home / 30,329,803.60-45,494,705.40-8,765,108.80

Finding the Fourth Proportional to 30,329,803.60, 45,494,705.40 and 8,765,108.80

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Solution

The fourth proportional to 30,329,803.60, 45,494,705.40 and 8,765,108.80 is: 13,147,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329,803.60 : 45,494,705.40 = 8,765,108.80 : x
  2. Step 2: Convert to fraction form
    30,329,803.60/45,494,705.40 = 8,765,108.80/x
  3. Step 3: Cross multiply
    30,329,803.60x = 45,494,705.40 × 8,765,108.80
  4. Step 4: Simplify right side
    30,329,803.60x = 398,766,042,654,947.56
  5. Step 5: Solve for x
    x = 398,766,042,654,947.56/30,329,803.60
  6. Step 6: Final answer
    x = 13,147,663.20

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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.