Home / 19,385,339.77-26,753,030.49-11,128,074.63

Finding the Fourth Proportional to 19,385,339.77, 26,753,030.49 and 11,128,074.63

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Solution

The fourth proportional to 19,385,339.77, 26,753,030.49 and 11,128,074.63 is: 15,357,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385,339.77 : 26,753,030.49 = 11,128,074.63 : x
  2. Step 2: Convert to fraction form
    19,385,339.77/26,753,030.49 = 11,128,074.63/x
  3. Step 3: Cross multiply
    19,385,339.77x = 26,753,030.49 × 11,128,074.63
  4. Step 4: Simplify right side
    19,385,339.77x = 297,709,719,871,385.50
  5. Step 5: Solve for x
    x = 297,709,719,871,385.50/19,385,339.77
  6. Step 6: Final answer
    x = 15,357,467.21

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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.