Home / 12,024,531.02-16,607,643.32-7,912,917.62

Finding the Fourth Proportional to 12,024,531.02, 16,607,643.32 and 7,912,917.62

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Solution

The fourth proportional to 12,024,531.02, 16,607,643.32 and 7,912,917.62 is: 10,928,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024,531.02 : 16,607,643.32 = 7,912,917.62 : x
  2. Step 2: Convert to fraction form
    12,024,531.02/16,607,643.32 = 7,912,917.62/x
  3. Step 3: Cross multiply
    12,024,531.02x = 16,607,643.32 × 7,912,917.62
  4. Step 4: Simplify right side
    12,024,531.02x = 131,414,913,453,503.30
  5. Step 5: Solve for x
    x = 131,414,913,453,503.30/12,024,531.02
  6. Step 6: Final answer
    x = 10,928,901.36

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Double scale
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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.