Home / 18,575,681.20-27,839,902.20-8,970,377.20

Finding the Fourth Proportional to 18,575,681.20, 27,839,902.20 and 8,970,377.20

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Solution

The fourth proportional to 18,575,681.20, 27,839,902.20 and 8,970,377.20 is: 13,444,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575,681.20 : 27,839,902.20 = 8,970,377.20 : x
  2. Step 2: Convert to fraction form
    18,575,681.20/27,839,902.20 = 8,970,377.20/x
  3. Step 3: Cross multiply
    18,575,681.20x = 27,839,902.20 × 8,970,377.20
  4. Step 4: Simplify right side
    18,575,681.20x = 249,734,423,945,109.81
  5. Step 5: Solve for x
    x = 249,734,423,945,109.81/18,575,681.20
  6. Step 6: Final answer
    x = 13,444,159.67

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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.