Home / 30,075,187.67-45,105,558.20-13,885,583.91

Finding the Fourth Proportional to 30,075,187.67, 45,105,558.20 and 13,885,583.91

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Solution

The fourth proportional to 30,075,187.67, 45,105,558.20 and 13,885,583.91 is: 20,825,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075,187.67 : 45,105,558.20 = 13,885,583.91 : x
  2. Step 2: Convert to fraction form
    30,075,187.67/45,105,558.20 = 13,885,583.91/x
  3. Step 3: Cross multiply
    30,075,187.67x = 45,105,558.20 × 13,885,583.91
  4. Step 4: Simplify right side
    30,075,187.67x = 626,317,012,898,532.88
  5. Step 5: Solve for x
    x = 626,317,012,898,532.88/30,075,187.67
  6. Step 6: Final answer
    x = 20,825,040.89

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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.