Home / 12,101,626.80-18,152,440.20-10,637,211.60

Finding the Fourth Proportional to 12,101,626.80, 18,152,440.20 and 10,637,211.60

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Solution

The fourth proportional to 12,101,626.80, 18,152,440.20 and 10,637,211.60 is: 15,955,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,626.80 : 18,152,440.20 = 10,637,211.60 : x
  2. Step 2: Convert to fraction form
    12,101,626.80/18,152,440.20 = 10,637,211.60/x
  3. Step 3: Cross multiply
    12,101,626.80x = 18,152,440.20 × 10,637,211.60
  4. Step 4: Simplify right side
    12,101,626.80x = 193,091,347,463,746.31
  5. Step 5: Solve for x
    x = 193,091,347,463,746.31/12,101,626.80
  6. Step 6: Final answer
    x = 15,955,817.40

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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.