Home / 12,586,693.13-18,890,128.73-6,523,158.41

Finding the Fourth Proportional to 12,586,693.13, 18,890,128.73 and 6,523,158.41

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Solution

The fourth proportional to 12,586,693.13, 18,890,128.73 and 6,523,158.41 is: 9,789,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,693.13 : 18,890,128.73 = 6,523,158.41 : x
  2. Step 2: Convert to fraction form
    12,586,693.13/18,890,128.73 = 6,523,158.41/x
  3. Step 3: Cross multiply
    12,586,693.13x = 18,890,128.73 × 6,523,158.41
  4. Step 4: Simplify right side
    12,586,693.13x = 123,223,302,012,939.39
  5. Step 5: Solve for x
    x = 123,223,302,012,939.39/12,586,693.13
  6. Step 6: Final answer
    x = 9,789,966.34

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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.