Home / 12,734,045.60-19,101,068.40-8,702,967.20

Finding the Fourth Proportional to 12,734,045.60, 19,101,068.40 and 8,702,967.20

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Solution

The fourth proportional to 12,734,045.60, 19,101,068.40 and 8,702,967.20 is: 13,054,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734,045.60 : 19,101,068.40 = 8,702,967.20 : x
  2. Step 2: Convert to fraction form
    12,734,045.60/19,101,068.40 = 8,702,967.20/x
  3. Step 3: Cross multiply
    12,734,045.60x = 19,101,068.40 × 8,702,967.20
  4. Step 4: Simplify right side
    12,734,045.60x = 166,235,971,770,156.44
  5. Step 5: Solve for x
    x = 166,235,971,770,156.44/12,734,045.60
  6. Step 6: Final answer
    x = 13,054,450.80

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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.