Home / 13,252,560.60-19,878,840.90-8,474,986.20

Finding the Fourth Proportional to 13,252,560.60, 19,878,840.90 and 8,474,986.20

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Solution

The fourth proportional to 13,252,560.60, 19,878,840.90 and 8,474,986.20 is: 12,712,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252,560.60 : 19,878,840.90 = 8,474,986.20 : x
  2. Step 2: Convert to fraction form
    13,252,560.60/19,878,840.90 = 8,474,986.20/x
  3. Step 3: Cross multiply
    13,252,560.60x = 19,878,840.90 × 8,474,986.20
  4. Step 4: Simplify right side
    13,252,560.60x = 168,472,902,299,495.56
  5. Step 5: Solve for x
    x = 168,472,902,299,495.56/13,252,560.60
  6. Step 6: Final answer
    x = 12,712,479.30

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1.5x scale

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.