Home / 10,355,491.20-15,533,228.59-2,782,456.95

Finding the Fourth Proportional to 10,355,491.20, 15,533,228.59 and 2,782,456.95

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Solution

The fourth proportional to 10,355,491.20, 15,533,228.59 and 2,782,456.95 is: 4,173,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,491.20 : 15,533,228.59 = 2,782,456.95 : x
  2. Step 2: Convert to fraction form
    10,355,491.20/15,533,228.59 = 2,782,456.95/x
  3. Step 3: Cross multiply
    10,355,491.20x = 15,533,228.59 × 2,782,456.95
  4. Step 4: Simplify right side
    10,355,491.20x = 43,220,539,825,754.58
  5. Step 5: Solve for x
    x = 43,220,539,825,754.58/10,355,491.20
  6. Step 6: Final answer
    x = 4,173,683.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.