Home / 10,866,055.37-14,988,912.73-6,784,588.49

Finding the Fourth Proportional to 10,866,055.37, 14,988,912.73 and 6,784,588.49

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Solution

The fourth proportional to 10,866,055.37, 14,988,912.73 and 6,784,588.49 is: 9,358,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,055.37 : 14,988,912.73 = 6,784,588.49 : x
  2. Step 2: Convert to fraction form
    10,866,055.37/14,988,912.73 = 6,784,588.49/x
  3. Step 3: Cross multiply
    10,866,055.37x = 14,988,912.73 × 6,784,588.49
  4. Step 4: Simplify right side
    10,866,055.37x = 101,693,604,693,666.44
  5. Step 5: Solve for x
    x = 101,693,604,693,666.44/10,866,055.37
  6. Step 6: Final answer
    x = 9,358,833.66

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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.