Home / 10,631,665.80-15,936,612.30-5,232,011.40

Finding the Fourth Proportional to 10,631,665.80, 15,936,612.30 and 5,232,011.40

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Solution

The fourth proportional to 10,631,665.80, 15,936,612.30 and 5,232,011.40 is: 7,842,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,665.80 : 15,936,612.30 = 5,232,011.40 : x
  2. Step 2: Convert to fraction form
    10,631,665.80/15,936,612.30 = 5,232,011.40/x
  3. Step 3: Cross multiply
    10,631,665.80x = 15,936,612.30 × 5,232,011.40
  4. Step 4: Simplify right side
    10,631,665.80x = 83,380,537,230,980.23
  5. Step 5: Solve for x
    x = 83,380,537,230,980.23/10,631,665.80
  6. Step 6: Final answer
    x = 7,842,659.73

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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.