Home / 20,143,438.40-27,797,075.76-11,441,583.92

Finding the Fourth Proportional to 20,143,438.40, 27,797,075.76 and 11,441,583.92

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Solution

The fourth proportional to 20,143,438.40, 27,797,075.76 and 11,441,583.92 is: 15,788,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,438.40 : 27,797,075.76 = 11,441,583.92 : x
  2. Step 2: Convert to fraction form
    20,143,438.40/27,797,075.76 = 11,441,583.92/x
  3. Step 3: Cross multiply
    20,143,438.40x = 27,797,075.76 × 11,441,583.92
  4. Step 4: Simplify right side
    20,143,438.40x = 318,042,575,038,637.81
  5. Step 5: Solve for x
    x = 318,042,575,038,637.81/20,143,438.40
  6. Step 6: Final answer
    x = 15,788,892.08

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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.