Home / 28,193,065.20-42,289,597.80-16,855,657.20

Finding the Fourth Proportional to 28,193,065.20, 42,289,597.80 and 16,855,657.20

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Solution

The fourth proportional to 28,193,065.20, 42,289,597.80 and 16,855,657.20 is: 25,283,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,065.20 : 42,289,597.80 = 16,855,657.20 : x
  2. Step 2: Convert to fraction form
    28,193,065.20/42,289,597.80 = 16,855,657.20/x
  3. Step 3: Cross multiply
    28,193,065.20x = 42,289,597.80 × 16,855,657.20
  4. Step 4: Simplify right side
    28,193,065.20x = 712,818,963,642,674.12
  5. Step 5: Solve for x
    x = 712,818,963,642,674.12/28,193,065.20
  6. Step 6: Final answer
    x = 25,283,485.80

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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.