Home / 12,123,528.47-18,187,688.38-4,447,244.58

Finding the Fourth Proportional to 12,123,528.47, 18,187,688.38 and 4,447,244.58

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Solution

The fourth proportional to 12,123,528.47, 18,187,688.38 and 4,447,244.58 is: 6,671,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,528.47 : 18,187,688.38 = 4,447,244.58 : x
  2. Step 2: Convert to fraction form
    12,123,528.47/18,187,688.38 = 4,447,244.58/x
  3. Step 3: Cross multiply
    12,123,528.47x = 18,187,688.38 × 4,447,244.58
  4. Step 4: Simplify right side
    12,123,528.47x = 80,885,098,616,153.19
  5. Step 5: Solve for x
    x = 80,885,098,616,153.19/12,123,528.47
  6. Step 6: Final answer
    x = 6,671,745.67

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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.