Home / 15,891,676.50-21,932,909.83-9,700,312.31

Finding the Fourth Proportional to 15,891,676.50, 21,932,909.83 and 9,700,312.31

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Solution

The fourth proportional to 15,891,676.50, 21,932,909.83 and 9,700,312.31 is: 13,387,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,891,676.50 : 21,932,909.83 = 9,700,312.31 : x
  2. Step 2: Convert to fraction form
    15,891,676.50/21,932,909.83 = 9,700,312.31/x
  3. Step 3: Cross multiply
    15,891,676.50x = 21,932,909.83 × 9,700,312.31
  4. Step 4: Simplify right side
    15,891,676.50x = 212,756,075,202,778.25
  5. Step 5: Solve for x
    x = 212,756,075,202,778.25/15,891,676.50
  6. Step 6: Final answer
    x = 13,387,893.67

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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.