Home / 15,306,232.60-21,122,598.72-8,430,714.46

Finding the Fourth Proportional to 15,306,232.60, 21,122,598.72 and 8,430,714.46

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Solution

The fourth proportional to 15,306,232.60, 21,122,598.72 and 8,430,714.46 is: 11,634,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,232.60 : 21,122,598.72 = 8,430,714.46 : x
  2. Step 2: Convert to fraction form
    15,306,232.60/21,122,598.72 = 8,430,714.46/x
  3. Step 3: Cross multiply
    15,306,232.60x = 21,122,598.72 × 8,430,714.46
  4. Step 4: Simplify right side
    15,306,232.60x = 178,078,598,461,481.50
  5. Step 5: Solve for x
    x = 178,078,598,461,481.50/15,306,232.60
  6. Step 6: Final answer
    x = 11,634,384.71

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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.