Home / 13,157,196.42-19,718,558.49-6,320,166.48

Finding the Fourth Proportional to 13,157,196.42, 19,718,558.49 and 6,320,166.48

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Solution

The fourth proportional to 13,157,196.42, 19,718,558.49 and 6,320,166.48 is: 9,471,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157,196.42 : 19,718,558.49 = 6,320,166.48 : x
  2. Step 2: Convert to fraction form
    13,157,196.42/19,718,558.49 = 6,320,166.48/x
  3. Step 3: Cross multiply
    13,157,196.42x = 19,718,558.49 × 6,320,166.48
  4. Step 4: Simplify right side
    13,157,196.42x = 124,624,572,426,118.03
  5. Step 5: Solve for x
    x = 124,624,572,426,118.03/13,157,196.42
  6. Step 6: Final answer
    x = 9,471,970.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.