Home / 14,218,639.56-21,315,156.48-5,114,337.67

Finding the Fourth Proportional to 14,218,639.56, 21,315,156.48 and 5,114,337.67

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Solution

The fourth proportional to 14,218,639.56, 21,315,156.48 and 5,114,337.67 is: 7,666,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218,639.56 : 21,315,156.48 = 5,114,337.67 : x
  2. Step 2: Convert to fraction form
    14,218,639.56/21,315,156.48 = 5,114,337.67/x
  3. Step 3: Cross multiply
    14,218,639.56x = 21,315,156.48 × 5,114,337.67
  4. Step 4: Simplify right side
    14,218,639.56x = 109,012,907,754,252.55
  5. Step 5: Solve for x
    x = 109,012,907,754,252.55/14,218,639.56
  6. Step 6: Final answer
    x = 7,666,901.41

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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.