Home / 13,440,405.60-20,160,608.40-12,054,722.40

Finding the Fourth Proportional to 13,440,405.60, 20,160,608.40 and 12,054,722.40

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Solution

The fourth proportional to 13,440,405.60, 20,160,608.40 and 12,054,722.40 is: 18,082,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,405.60 : 20,160,608.40 = 12,054,722.40 : x
  2. Step 2: Convert to fraction form
    13,440,405.60/20,160,608.40 = 12,054,722.40/x
  3. Step 3: Cross multiply
    13,440,405.60x = 20,160,608.40 × 12,054,722.40
  4. Step 4: Simplify right side
    13,440,405.60x = 243,030,537,677,108.16
  5. Step 5: Solve for x
    x = 243,030,537,677,108.16/13,440,405.60
  6. Step 6: Final answer
    x = 18,082,083.60

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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.