Home / 19,211,697-26,512,351.20-10,509,682.77

Finding the Fourth Proportional to 19,211,697, 26,512,351.20 and 10,509,682.77

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Solution

The fourth proportional to 19,211,697, 26,512,351.20 and 10,509,682.77 is: 14,503,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,697 : 26,512,351.20 = 10,509,682.77 : x
  2. Step 2: Convert to fraction form
    19,211,697/26,512,351.20 = 10,509,682.77/x
  3. Step 3: Cross multiply
    19,211,697x = 26,512,351.20 × 10,509,682.77
  4. Step 4: Simplify right side
    19,211,697x = 278,636,400,598,828.81
  5. Step 5: Solve for x
    x = 278,636,400,598,828.81/19,211,697
  6. Step 6: Final answer
    x = 14,503,476.74

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1.5x scale

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.