Home / 19,210,199.30-28,769,127.04-10,987,914.47

Finding the Fourth Proportional to 19,210,199.30, 28,769,127.04 and 10,987,914.47

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Solution

The fourth proportional to 19,210,199.30, 28,769,127.04 and 10,987,914.47 is: 16,455,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210,199.30 : 28,769,127.04 = 10,987,914.47 : x
  2. Step 2: Convert to fraction form
    19,210,199.30/28,769,127.04 = 10,987,914.47/x
  3. Step 3: Cross multiply
    19,210,199.30x = 28,769,127.04 × 10,987,914.47
  4. Step 4: Simplify right side
    19,210,199.30x = 316,112,707,372,498.75
  5. Step 5: Solve for x
    x = 316,112,707,372,498.75/19,210,199.30
  6. Step 6: Final answer
    x = 16,455,462.15

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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.