Home / 19,385,491.20-26,752,158.72-10,683,974.40

Finding the Fourth Proportional to 19,385,491.20, 26,752,158.72 and 10,683,974.40

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Solution

The fourth proportional to 19,385,491.20, 26,752,158.72 and 10,683,974.40 is: 14,743,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385,491.20 : 26,752,158.72 = 10,683,974.40 : x
  2. Step 2: Convert to fraction form
    19,385,491.20/26,752,158.72 = 10,683,974.40/x
  3. Step 3: Cross multiply
    19,385,491.20x = 26,752,158.72 × 10,683,974.40
  4. Step 4: Simplify right side
    19,385,491.20x = 285,819,378,909,216.75
  5. Step 5: Solve for x
    x = 285,819,378,909,216.75/19,385,491.20
  6. Step 6: Final answer
    x = 14,743,984.35

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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.