Home / 10,663,139.20-16,032,033.60-10,439,190.40

Finding the Fourth Proportional to 10,663,139.20, 16,032,033.60 and 10,439,190.40

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Solution

The fourth proportional to 10,663,139.20, 16,032,033.60 and 10,439,190.40 is: 15,695,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663,139.20 : 16,032,033.60 = 10,439,190.40 : x
  2. Step 2: Convert to fraction form
    10,663,139.20/16,032,033.60 = 10,439,190.40/x
  3. Step 3: Cross multiply
    10,663,139.20x = 16,032,033.60 × 10,439,190.40
  4. Step 4: Simplify right side
    10,663,139.20x = 167,361,451,249,597.44
  5. Step 5: Solve for x
    x = 167,361,451,249,597.44/10,663,139.20
  6. Step 6: Final answer
    x = 15,695,326.50

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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.