Home / 13,943,916.15-19,243,071.56-7,749,223.98

Finding the Fourth Proportional to 13,943,916.15, 19,243,071.56 and 7,749,223.98

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Solution

The fourth proportional to 13,943,916.15, 19,243,071.56 and 7,749,223.98 is: 10,694,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,916.15 : 19,243,071.56 = 7,749,223.98 : x
  2. Step 2: Convert to fraction form
    13,943,916.15/19,243,071.56 = 7,749,223.98/x
  3. Step 3: Cross multiply
    13,943,916.15x = 19,243,071.56 × 7,749,223.98
  4. Step 4: Simplify right side
    13,943,916.15x = 149,118,871,542,861.91
  5. Step 5: Solve for x
    x = 149,118,871,542,861.91/13,943,916.15
  6. Step 6: Final answer
    x = 10,694,188.77

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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.