Home / 8,736,693.88-12,057,048.09-4,869,242.74

Finding the Fourth Proportional to 8,736,693.88, 12,057,048.09 and 4,869,242.74

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Solution

The fourth proportional to 8,736,693.88, 12,057,048.09 and 4,869,242.74 is: 6,719,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,693.88 : 12,057,048.09 = 4,869,242.74 : x
  2. Step 2: Convert to fraction form
    8,736,693.88/12,057,048.09 = 4,869,242.74/x
  3. Step 3: Cross multiply
    8,736,693.88x = 12,057,048.09 × 4,869,242.74
  4. Step 4: Simplify right side
    8,736,693.88x = 58,708,693,878,063.37
  5. Step 5: Solve for x
    x = 58,708,693,878,063.37/8,736,693.88
  6. Step 6: Final answer
    x = 6,719,783.79

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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.