Home / 10,000,396.89-13,800,548.16-5,416,718.25

Finding the Fourth Proportional to 10,000,396.89, 13,800,548.16 and 5,416,718.25

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Solution

The fourth proportional to 10,000,396.89, 13,800,548.16 and 5,416,718.25 is: 7,475,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000,396.89 : 13,800,548.16 = 5,416,718.25 : x
  2. Step 2: Convert to fraction form
    10,000,396.89/13,800,548.16 = 5,416,718.25/x
  3. Step 3: Cross multiply
    10,000,396.89x = 13,800,548.16 × 5,416,718.25
  4. Step 4: Simplify right side
    10,000,396.89x = 74,753,681,078,275.92
  5. Step 5: Solve for x
    x = 74,753,681,078,275.92/10,000,396.89
  6. Step 6: Final answer
    x = 7,475,071.43

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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.