Home / 12,816,411.70-19,209,065.55-7,414,683.70

Finding the Fourth Proportional to 12,816,411.70, 19,209,065.55 and 7,414,683.70

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Solution

The fourth proportional to 12,816,411.70, 19,209,065.55 and 7,414,683.70 is: 11,113,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,411.70 : 19,209,065.55 = 7,414,683.70 : x
  2. Step 2: Convert to fraction form
    12,816,411.70/19,209,065.55 = 7,414,683.70/x
  3. Step 3: Cross multiply
    12,816,411.70x = 19,209,065.55 × 7,414,683.70
  4. Step 4: Simplify right side
    12,816,411.70x = 142,429,145,225,816.53
  5. Step 5: Solve for x
    x = 142,429,145,225,816.53/12,816,411.70
  6. Step 6: Final answer
    x = 11,113,028.25

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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.