Home / 11,178,039.80-16,767,059.70-9,371,140.40

Finding the Fourth Proportional to 11,178,039.80, 16,767,059.70 and 9,371,140.40

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Solution

The fourth proportional to 11,178,039.80, 16,767,059.70 and 9,371,140.40 is: 14,056,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,039.80 : 16,767,059.70 = 9,371,140.40 : x
  2. Step 2: Convert to fraction form
    11,178,039.80/16,767,059.70 = 9,371,140.40/x
  3. Step 3: Cross multiply
    11,178,039.80x = 16,767,059.70 × 9,371,140.40
  4. Step 4: Simplify right side
    11,178,039.80x = 157,126,470,543,881.88
  5. Step 5: Solve for x
    x = 157,126,470,543,881.88/11,178,039.80
  6. Step 6: Final answer
    x = 14,056,710.60

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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.