Home / 13,604,163.40-20,406,245.10-9,357,430.60

Finding the Fourth Proportional to 13,604,163.40, 20,406,245.10 and 9,357,430.60

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Solution

The fourth proportional to 13,604,163.40, 20,406,245.10 and 9,357,430.60 is: 14,036,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,163.40 : 20,406,245.10 = 9,357,430.60 : x
  2. Step 2: Convert to fraction form
    13,604,163.40/20,406,245.10 = 9,357,430.60/x
  3. Step 3: Cross multiply
    13,604,163.40x = 20,406,245.10 × 9,357,430.60
  4. Step 4: Simplify right side
    13,604,163.40x = 190,950,022,329,840.06
  5. Step 5: Solve for x
    x = 190,950,022,329,840.06/13,604,163.40
  6. Step 6: Final answer
    x = 14,036,145.90

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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.