Home / 15,401,445.03-21,254,245.83-8,432,006.31

Finding the Fourth Proportional to 15,401,445.03, 21,254,245.83 and 8,432,006.31

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Solution

The fourth proportional to 15,401,445.03, 21,254,245.83 and 8,432,006.31 is: 11,636,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,445.03 : 21,254,245.83 = 8,432,006.31 : x
  2. Step 2: Convert to fraction form
    15,401,445.03/21,254,245.83 = 8,432,006.31/x
  3. Step 3: Cross multiply
    15,401,445.03x = 21,254,245.83 × 8,432,006.31
  4. Step 4: Simplify right side
    15,401,445.03x = 179,215,934,952,851.19
  5. Step 5: Solve for x
    x = 179,215,934,952,851.19/15,401,445.03
  6. Step 6: Final answer
    x = 11,636,306.50

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1.5x scale

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.