Home / 12,512,812.79-18,762,376.92-9,935,672.33

Finding the Fourth Proportional to 12,512,812.79, 18,762,376.92 and 9,935,672.33

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Solution

The fourth proportional to 12,512,812.79, 18,762,376.92 and 9,935,672.33 is: 14,898,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512,812.79 : 18,762,376.92 = 9,935,672.33 : x
  2. Step 2: Convert to fraction form
    12,512,812.79/18,762,376.92 = 9,935,672.33/x
  3. Step 3: Cross multiply
    12,512,812.79x = 18,762,376.92 × 9,935,672.33
  4. Step 4: Simplify right side
    12,512,812.79x = 186,416,829,115,262.75
  5. Step 5: Solve for x
    x = 186,416,829,115,262.75/12,512,812.79
  6. Step 6: Final answer
    x = 14,898,075.46

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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.