Home / 13,732,205.30-18,950,172.67-7,771,501.72

Finding the Fourth Proportional to 13,732,205.30, 18,950,172.67 and 7,771,501.72

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Solution

The fourth proportional to 13,732,205.30, 18,950,172.67 and 7,771,501.72 is: 10,724,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732,205.30 : 18,950,172.67 = 7,771,501.72 : x
  2. Step 2: Convert to fraction form
    13,732,205.30/18,950,172.67 = 7,771,501.72/x
  3. Step 3: Cross multiply
    13,732,205.30x = 18,950,172.67 × 7,771,501.72
  4. Step 4: Simplify right side
    13,732,205.30x = 147,271,299,447,862.81
  5. Step 5: Solve for x
    x = 147,271,299,447,862.81/13,732,205.30
  6. Step 6: Final answer
    x = 10,724,519.20

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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.