Home / 19,043,274.32-26,287,762.78-12,856,700.33

Finding the Fourth Proportional to 19,043,274.32, 26,287,762.78 and 12,856,700.33

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Solution

The fourth proportional to 19,043,274.32, 26,287,762.78 and 12,856,700.33 is: 17,747,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,274.32 : 26,287,762.78 = 12,856,700.33 : x
  2. Step 2: Convert to fraction form
    19,043,274.32/26,287,762.78 = 12,856,700.33/x
  3. Step 3: Cross multiply
    19,043,274.32x = 26,287,762.78 × 12,856,700.33
  4. Step 4: Simplify right side
    19,043,274.32x = 337,973,888,391,798.88
  5. Step 5: Solve for x
    x = 337,973,888,391,798.88/19,043,274.32
  6. Step 6: Final answer
    x = 17,747,677.35

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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.