Home / 26,082,935.60-39,124,403.40-7,889,938.70

Finding the Fourth Proportional to 26,082,935.60, 39,124,403.40 and 7,889,938.70

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Solution

The fourth proportional to 26,082,935.60, 39,124,403.40 and 7,889,938.70 is: 11,834,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,082,935.60 : 39,124,403.40 = 7,889,938.70 : x
  2. Step 2: Convert to fraction form
    26,082,935.60/39,124,403.40 = 7,889,938.70/x
  3. Step 3: Cross multiply
    26,082,935.60x = 39,124,403.40 × 7,889,938.70
  4. Step 4: Simplify right side
    26,082,935.60x = 308,689,144,500,071.56
  5. Step 5: Solve for x
    x = 308,689,144,500,071.56/26,082,935.60
  6. Step 6: Final answer
    x = 11,834,908.05

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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.