Home / 14,339,430.32-19,788,163.60-7,813,113.80

Finding the Fourth Proportional to 14,339,430.32, 19,788,163.60 and 7,813,113.80

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Solution

The fourth proportional to 14,339,430.32, 19,788,163.60 and 7,813,113.80 is: 10,781,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,430.32 : 19,788,163.60 = 7,813,113.80 : x
  2. Step 2: Convert to fraction form
    14,339,430.32/19,788,163.60 = 7,813,113.80/x
  3. Step 3: Cross multiply
    14,339,430.32x = 19,788,163.60 × 7,813,113.80
  4. Step 4: Simplify right side
    14,339,430.32x = 154,607,174,099,817.69
  5. Step 5: Solve for x
    x = 154,607,174,099,817.69/14,339,430.32
  6. Step 6: Final answer
    x = 10,781,960.70

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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.