Home / 19,385,340.78-26,753,031.88-11,128,075.62

Finding the Fourth Proportional to 19,385,340.78, 26,753,031.88 and 11,128,075.62

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Solution

The fourth proportional to 19,385,340.78, 26,753,031.88 and 11,128,075.62 is: 15,357,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385,340.78 : 26,753,031.88 = 11,128,075.62 : x
  2. Step 2: Convert to fraction form
    19,385,340.78/26,753,031.88 = 11,128,075.62/x
  3. Step 3: Cross multiply
    19,385,340.78x = 26,753,031.88 × 11,128,075.62
  4. Step 4: Simplify right side
    19,385,340.78x = 297,709,761,824,910.75
  5. Step 5: Solve for x
    x = 297,709,761,824,910.75/19,385,340.78
  6. Step 6: Final answer
    x = 15,357,468.57

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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.