Home / 19,987,354.65-27,582,637.44-10,819,997.40

Finding the Fourth Proportional to 19,987,354.65, 27,582,637.44 and 10,819,997.40

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Solution

The fourth proportional to 19,987,354.65, 27,582,637.44 and 10,819,997.40 is: 14,931,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,354.65 : 27,582,637.44 = 10,819,997.40 : x
  2. Step 2: Convert to fraction form
    19,987,354.65/27,582,637.44 = 10,819,997.40/x
  3. Step 3: Cross multiply
    19,987,354.65x = 27,582,637.44 × 10,819,997.40
  4. Step 4: Simplify right side
    19,987,354.65x = 298,444,065,426,517.69
  5. Step 5: Solve for x
    x = 298,444,065,426,517.69/19,987,354.65
  6. Step 6: Final answer
    x = 14,931,644.06

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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.