Home / 13,069,892.91-18,035,895.74-7,189,153.93

Finding the Fourth Proportional to 13,069,892.91, 18,035,895.74 and 7,189,153.93

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Solution

The fourth proportional to 13,069,892.91, 18,035,895.74 and 7,189,153.93 is: 9,920,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,892.91 : 18,035,895.74 = 7,189,153.93 : x
  2. Step 2: Convert to fraction form
    13,069,892.91/18,035,895.74 = 7,189,153.93/x
  3. Step 3: Cross multiply
    13,069,892.91x = 18,035,895.74 × 7,189,153.93
  4. Step 4: Simplify right side
    13,069,892.91x = 129,662,830,659,255.75
  5. Step 5: Solve for x
    x = 129,662,830,659,255.75/13,069,892.91
  6. Step 6: Final answer
    x = 9,920,726.33

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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.