Home / 12,313,070.20-18,453,498.90-6,621,038.20

Finding the Fourth Proportional to 12,313,070.20, 18,453,498.90 and 6,621,038.20

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Solution

The fourth proportional to 12,313,070.20, 18,453,498.90 and 6,621,038.20 is: 9,922,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313,070.20 : 18,453,498.90 = 6,621,038.20 : x
  2. Step 2: Convert to fraction form
    12,313,070.20/18,453,498.90 = 6,621,038.20/x
  3. Step 3: Cross multiply
    12,313,070.20x = 18,453,498.90 × 6,621,038.20
  4. Step 4: Simplify right side
    12,313,070.20x = 122,181,321,140,557.97
  5. Step 5: Solve for x
    x = 122,181,321,140,557.97/12,313,070.20
  6. Step 6: Final answer
    x = 9,922,896.50

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1.5x scale

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.