Home / 11,039,848.80-16,528,280.40-9,780,136.80

Finding the Fourth Proportional to 11,039,848.80, 16,528,280.40 and 9,780,136.80

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Solution

The fourth proportional to 11,039,848.80, 16,528,280.40 and 9,780,136.80 is: 14,642,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039,848.80 : 16,528,280.40 = 9,780,136.80 : x
  2. Step 2: Convert to fraction form
    11,039,848.80/16,528,280.40 = 9,780,136.80/x
  3. Step 3: Cross multiply
    11,039,848.80x = 16,528,280.40 × 9,780,136.80
  4. Step 4: Simplify right side
    11,039,848.80x = 161,648,843,380,758.75
  5. Step 5: Solve for x
    x = 161,648,843,380,758.75/11,039,848.80
  6. Step 6: Final answer
    x = 14,642,305.91

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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.