Home / 12,481,809.80-18,722,714.70-4,904,875.40

Finding the Fourth Proportional to 12,481,809.80, 18,722,714.70 and 4,904,875.40

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Solution

The fourth proportional to 12,481,809.80, 18,722,714.70 and 4,904,875.40 is: 7,357,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,809.80 : 18,722,714.70 = 4,904,875.40 : x
  2. Step 2: Convert to fraction form
    12,481,809.80/18,722,714.70 = 4,904,875.40/x
  3. Step 3: Cross multiply
    12,481,809.80x = 18,722,714.70 × 4,904,875.40
  4. Step 4: Simplify right side
    12,481,809.80x = 91,832,582,753,248.39
  5. Step 5: Solve for x
    x = 91,832,582,753,248.39/12,481,809.80
  6. Step 6: Final answer
    x = 7,357,313.10

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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.