Home / 12,574,267.17-18,847,972.57-7,171,283.67

Finding the Fourth Proportional to 12,574,267.17, 18,847,972.57 and 7,171,283.67

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Solution

The fourth proportional to 12,574,267.17, 18,847,972.57 and 7,171,283.67 is: 10,749,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574,267.17 : 18,847,972.57 = 7,171,283.67 : x
  2. Step 2: Convert to fraction form
    12,574,267.17/18,847,972.57 = 7,171,283.67/x
  3. Step 3: Cross multiply
    12,574,267.17x = 18,847,972.57 × 7,171,283.67
  4. Step 4: Simplify right side
    12,574,267.17x = 135,164,157,903,848.94
  5. Step 5: Solve for x
    x = 135,164,157,903,848.94/12,574,267.17
  6. Step 6: Final answer
    x = 10,749,267.22

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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.