Home / 28,977,716.40-43,450,828.20-9,798,601.20

Finding the Fourth Proportional to 28,977,716.40, 43,450,828.20 and 9,798,601.20

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Solution

The fourth proportional to 28,977,716.40, 43,450,828.20 and 9,798,601.20 is: 14,692,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,716.40 : 43,450,828.20 = 9,798,601.20 : x
  2. Step 2: Convert to fraction form
    28,977,716.40/43,450,828.20 = 9,798,601.20/x
  3. Step 3: Cross multiply
    28,977,716.40x = 43,450,828.20 × 9,798,601.20
  4. Step 4: Simplify right side
    28,977,716.40x = 425,757,337,341,513.81
  5. Step 5: Solve for x
    x = 425,757,337,341,513.81/28,977,716.40
  6. Step 6: Final answer
    x = 14,692,577.27

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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.