Home / 15,036,385.32-20,750,226.84-8,160,870.42

Finding the Fourth Proportional to 15,036,385.32, 20,750,226.84 and 8,160,870.42

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Solution

The fourth proportional to 15,036,385.32, 20,750,226.84 and 8,160,870.42 is: 11,262,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,385.32 : 20,750,226.84 = 8,160,870.42 : x
  2. Step 2: Convert to fraction form
    15,036,385.32/20,750,226.84 = 8,160,870.42/x
  3. Step 3: Cross multiply
    15,036,385.32x = 20,750,226.84 × 8,160,870.42
  4. Step 4: Simplify right side
    15,036,385.32x = 169,339,912,426,846.06
  5. Step 5: Solve for x
    x = 169,339,912,426,846.06/15,036,385.32
  6. Step 6: Final answer
    x = 11,262,009.37

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1.5x scale

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.