Home / 14,500,969.16-20,010,938.34-7,974,598.60

Finding the Fourth Proportional to 14,500,969.16, 20,010,938.34 and 7,974,598.60

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Solution

The fourth proportional to 14,500,969.16, 20,010,938.34 and 7,974,598.60 is: 11,004,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,969.16 : 20,010,938.34 = 7,974,598.60 : x
  2. Step 2: Convert to fraction form
    14,500,969.16/20,010,938.34 = 7,974,598.60/x
  3. Step 3: Cross multiply
    14,500,969.16x = 20,010,938.34 × 7,974,598.60
  4. Step 4: Simplify right side
    14,500,969.16x = 159,579,200,870,850.31
  5. Step 5: Solve for x
    x = 159,579,200,870,850.31/14,500,969.16
  6. Step 6: Final answer
    x = 11,004,726.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.