Home / 30,429,988.83-41,997,891.83-19,267,519.50

Finding the Fourth Proportional to 30,429,988.83, 41,997,891.83 and 19,267,519.50

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Solution

The fourth proportional to 30,429,988.83, 41,997,891.83 and 19,267,519.50 is: 26,592,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429,988.83 : 41,997,891.83 = 19,267,519.50 : x
  2. Step 2: Convert to fraction form
    30,429,988.83/41,997,891.83 = 19,267,519.50/x
  3. Step 3: Cross multiply
    30,429,988.83x = 41,997,891.83 × 19,267,519.50
  4. Step 4: Simplify right side
    30,429,988.83x = 809,195,199,697,078.12
  5. Step 5: Solve for x
    x = 809,195,199,697,078.12/30,429,988.83
  6. Step 6: Final answer
    x = 26,592,030.78

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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.