Home / 13,127,912.70-19,683,011.70-6,980,911.80

Finding the Fourth Proportional to 13,127,912.70, 19,683,011.70 and 6,980,911.80

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Solution

The fourth proportional to 13,127,912.70, 19,683,011.70 and 6,980,911.80 is: 10,466,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127,912.70 : 19,683,011.70 = 6,980,911.80 : x
  2. Step 2: Convert to fraction form
    13,127,912.70/19,683,011.70 = 6,980,911.80/x
  3. Step 3: Cross multiply
    13,127,912.70x = 19,683,011.70 × 6,980,911.80
  4. Step 4: Simplify right side
    13,127,912.70x = 137,405,368,636,068.05
  5. Step 5: Solve for x
    x = 137,405,368,636,068.05/13,127,912.70
  6. Step 6: Final answer
    x = 10,466,657.71

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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.