Home / 19,516,728-26,933,242.86-10,815,045.92

Finding the Fourth Proportional to 19,516,728, 26,933,242.86 and 10,815,045.92

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Solution

The fourth proportional to 19,516,728, 26,933,242.86 and 10,815,045.92 is: 14,924,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516,728 : 26,933,242.86 = 10,815,045.92 : x
  2. Step 2: Convert to fraction form
    19,516,728/26,933,242.86 = 10,815,045.92/x
  3. Step 3: Cross multiply
    19,516,728x = 26,933,242.86 × 10,815,045.92
  4. Step 4: Simplify right side
    19,516,728x = 291,284,258,305,412.12
  5. Step 5: Solve for x
    x = 291,284,258,305,412.12/19,516,728
  6. Step 6: Final answer
    x = 14,924,851.05

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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.