Home / 14,078,000.32-19,427,640.48-7,639,472.32

Finding the Fourth Proportional to 14,078,000.32, 19,427,640.48 and 7,639,472.32

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Solution

The fourth proportional to 14,078,000.32, 19,427,640.48 and 7,639,472.32 is: 10,542,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,000.32 : 19,427,640.48 = 7,639,472.32 : x
  2. Step 2: Convert to fraction form
    14,078,000.32/19,427,640.48 = 7,639,472.32/x
  3. Step 3: Cross multiply
    14,078,000.32x = 19,427,640.48 × 7,639,472.32
  4. Step 4: Simplify right side
    14,078,000.32x = 148,416,921,689,871.53
  5. Step 5: Solve for x
    x = 148,416,921,689,871.53/14,078,000.32
  6. Step 6: Final answer
    x = 10,542,471.82

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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.