Home / 12,412,665.80-18,618,811.87-5,584,417.05

Finding the Fourth Proportional to 12,412,665.80, 18,618,811.87 and 5,584,417.05

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Solution

The fourth proportional to 12,412,665.80, 18,618,811.87 and 5,584,417.05 is: 8,376,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,665.80 : 18,618,811.87 = 5,584,417.05 : x
  2. Step 2: Convert to fraction form
    12,412,665.80/18,618,811.87 = 5,584,417.05/x
  3. Step 3: Cross multiply
    12,412,665.80x = 18,618,811.87 × 5,584,417.05
  4. Step 4: Simplify right side
    12,412,665.80x = 103,975,210,457,570.39
  5. Step 5: Solve for x
    x = 103,975,210,457,570.39/12,412,665.80
  6. Step 6: Final answer
    x = 8,376,541.52

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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.