Home / 15,401,586.65-21,254,442.12-8,432,148.60

Finding the Fourth Proportional to 15,401,586.65, 21,254,442.12 and 8,432,148.60

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Solution

The fourth proportional to 15,401,586.65, 21,254,442.12 and 8,432,148.60 is: 11,636,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,586.65 : 21,254,442.12 = 8,432,148.60 : x
  2. Step 2: Convert to fraction form
    15,401,586.65/21,254,442.12 = 8,432,148.60/x
  3. Step 3: Cross multiply
    15,401,586.65x = 21,254,442.12 × 8,432,148.60
  4. Step 4: Simplify right side
    15,401,586.65x = 179,220,614,365,939.03
  5. Step 5: Solve for x
    x = 179,220,614,365,939.03/15,401,586.65
  6. Step 6: Final answer
    x = 11,636,503.34

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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.