Home / 12,024,529.49-16,607,641.22-7,912,916.10

Finding the Fourth Proportional to 12,024,529.49, 16,607,641.22 and 7,912,916.10

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Solution

The fourth proportional to 12,024,529.49, 16,607,641.22 and 7,912,916.10 is: 10,928,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024,529.49 : 16,607,641.22 = 7,912,916.10 : x
  2. Step 2: Convert to fraction form
    12,024,529.49/16,607,641.22 = 7,912,916.10/x
  3. Step 3: Cross multiply
    12,024,529.49x = 16,607,641.22 × 7,912,916.10
  4. Step 4: Simplify right side
    12,024,529.49x = 131,414,871,511,677.95
  5. Step 5: Solve for x
    x = 131,414,871,511,677.95/12,024,529.49
  6. Step 6: Final answer
    x = 10,928,899.26

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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.