Home / 19,422,111.20-29,133,166.80-6,643,032.80

Finding the Fourth Proportional to 19,422,111.20, 29,133,166.80 and 6,643,032.80

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Solution

The fourth proportional to 19,422,111.20, 29,133,166.80 and 6,643,032.80 is: 9,964,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422,111.20 : 29,133,166.80 = 6,643,032.80 : x
  2. Step 2: Convert to fraction form
    19,422,111.20/29,133,166.80 = 6,643,032.80/x
  3. Step 3: Cross multiply
    19,422,111.20x = 29,133,166.80 × 6,643,032.80
  4. Step 4: Simplify right side
    19,422,111.20x = 193,532,582,620,271.03
  5. Step 5: Solve for x
    x = 193,532,582,620,271.03/19,422,111.20
  6. Step 6: Final answer
    x = 9,964,549.20

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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.