Home / 17,213,905-23,755,188.90-9,478,928.89

Finding the Fourth Proportional to 17,213,905, 23,755,188.90 and 9,478,928.89

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Solution

The fourth proportional to 17,213,905, 23,755,188.90 and 9,478,928.89 is: 13,080,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213,905 : 23,755,188.90 = 9,478,928.89 : x
  2. Step 2: Convert to fraction form
    17,213,905/23,755,188.90 = 9,478,928.89/x
  3. Step 3: Cross multiply
    17,213,905x = 23,755,188.90 × 9,478,928.89
  4. Step 4: Simplify right side
    17,213,905x = 225,173,746,351,617.31
  5. Step 5: Solve for x
    x = 225,173,746,351,617.31/17,213,905
  6. Step 6: Final answer
    x = 13,080,921.87

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1.5x scale

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.