Home / 16,913,619.18-23,340,965.67-9,178,728.30

Finding the Fourth Proportional to 16,913,619.18, 23,340,965.67 and 9,178,728.30

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Solution

The fourth proportional to 16,913,619.18, 23,340,965.67 and 9,178,728.30 is: 12,666,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913,619.18 : 23,340,965.67 = 9,178,728.30 : x
  2. Step 2: Convert to fraction form
    16,913,619.18/23,340,965.67 = 9,178,728.30/x
  3. Step 3: Cross multiply
    16,913,619.18x = 23,340,965.67 × 9,178,728.30
  4. Step 4: Simplify right side
    16,913,619.18x = 214,240,382,144,557.50
  5. Step 5: Solve for x
    x = 214,240,382,144,557.50/16,913,619.18
  6. Step 6: Final answer
    x = 12,666,737.96

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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.