Home / 19,516,851.21-26,933,415.15-10,815,169.14

Finding the Fourth Proportional to 19,516,851.21, 26,933,415.15 and 10,815,169.14

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Solution

The fourth proportional to 19,516,851.21, 26,933,415.15 and 10,815,169.14 is: 14,925,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516,851.21 : 26,933,415.15 = 10,815,169.14 : x
  2. Step 2: Convert to fraction form
    19,516,851.21/26,933,415.15 = 10,815,169.14/x
  3. Step 3: Cross multiply
    19,516,851.21x = 26,933,415.15 × 10,815,169.14
  4. Step 4: Simplify right side
    19,516,851.21x = 291,289,440,365,088.50
  5. Step 5: Solve for x
    x = 291,289,440,365,088.50/19,516,851.21
  6. Step 6: Final answer
    x = 14,925,022.34

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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.