Home / 13,435,038.80-20,152,558.20-12,912,491.60

Finding the Fourth Proportional to 13,435,038.80, 20,152,558.20 and 12,912,491.60

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Solution

The fourth proportional to 13,435,038.80, 20,152,558.20 and 12,912,491.60 is: 19,368,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435,038.80 : 20,152,558.20 = 12,912,491.60 : x
  2. Step 2: Convert to fraction form
    13,435,038.80/20,152,558.20 = 12,912,491.60/x
  3. Step 3: Cross multiply
    13,435,038.80x = 20,152,558.20 × 12,912,491.60
  4. Step 4: Simplify right side
    13,435,038.80x = 260,219,738,476,011.09
  5. Step 5: Solve for x
    x = 260,219,738,476,011.09/13,435,038.80
  6. Step 6: Final answer
    x = 19,368,737.40

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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.