Home / 7,415,809.80-11,123,714.70-3,154,907.40

Finding the Fourth Proportional to 7,415,809.80, 11,123,714.70 and 3,154,907.40

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Solution

The fourth proportional to 7,415,809.80, 11,123,714.70 and 3,154,907.40 is: 4,732,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415,809.80 : 11,123,714.70 = 3,154,907.40 : x
  2. Step 2: Convert to fraction form
    7,415,809.80/11,123,714.70 = 3,154,907.40/x
  3. Step 3: Cross multiply
    7,415,809.80x = 11,123,714.70 × 3,154,907.40
  4. Step 4: Simplify right side
    7,415,809.80x = 35,094,289,822,518.78
  5. Step 5: Solve for x
    x = 35,094,289,822,518.78/7,415,809.80
  6. Step 6: Final answer
    x = 4,732,361.10

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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.