Home / 20,949,907.11-28,924,154.78-14,345,547.41

Finding the Fourth Proportional to 20,949,907.11, 28,924,154.78 and 14,345,547.41

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Solution

The fourth proportional to 20,949,907.11, 28,924,154.78 and 14,345,547.41 is: 19,805,950.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,949,907.11 : 28,924,154.78 = 14,345,547.41 : x
  2. Step 2: Convert to fraction form
    20,949,907.11/28,924,154.78 = 14,345,547.41/x
  3. Step 3: Cross multiply
    20,949,907.11x = 28,924,154.78 × 14,345,547.41
  4. Step 4: Simplify right side
    20,949,907.11x = 414,932,833,474,319.56
  5. Step 5: Solve for x
    x = 414,932,833,474,319.56/20,949,907.11
  6. Step 6: Final answer
    x = 19,805,950.99

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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.