Home / 14,235,816.21-19,645,328.55-7,709,296.32

Finding the Fourth Proportional to 14,235,816.21, 19,645,328.55 and 7,709,296.32

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Solution

The fourth proportional to 14,235,816.21, 19,645,328.55 and 7,709,296.32 is: 10,638,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235,816.21 : 19,645,328.55 = 7,709,296.32 : x
  2. Step 2: Convert to fraction form
    14,235,816.21/19,645,328.55 = 7,709,296.32/x
  3. Step 3: Cross multiply
    14,235,816.21x = 19,645,328.55 × 7,709,296.32
  4. Step 4: Simplify right side
    14,235,816.21x = 151,451,658,989,163.53
  5. Step 5: Solve for x
    x = 151,451,658,989,163.53/14,235,816.21
  6. Step 6: Final answer
    x = 10,638,775.94

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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.