Home / 30,371,412.85-45,563,811.53-8,806,914.88

Finding the Fourth Proportional to 30,371,412.85, 45,563,811.53 and 8,806,914.88

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Solution

The fourth proportional to 30,371,412.85, 45,563,811.53 and 8,806,914.88 is: 13,212,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371,412.85 : 45,563,811.53 = 8,806,914.88 : x
  2. Step 2: Convert to fraction form
    30,371,412.85/45,563,811.53 = 8,806,914.88/x
  3. Step 3: Cross multiply
    30,371,412.85x = 45,563,811.53 × 8,806,914.88
  4. Step 4: Simplify right side
    30,371,412.85x = 401,276,609,595,128.44
  5. Step 5: Solve for x
    x = 401,276,609,595,128.44/30,371,412.85
  6. Step 6: Final answer
    x = 13,212,312.89

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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.