Home / 12,528,037.60-18,792,056.40-7,048,290.40

Finding the Fourth Proportional to 12,528,037.60, 18,792,056.40 and 7,048,290.40

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Solution

The fourth proportional to 12,528,037.60, 18,792,056.40 and 7,048,290.40 is: 10,572,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,037.60 : 18,792,056.40 = 7,048,290.40 : x
  2. Step 2: Convert to fraction form
    12,528,037.60/18,792,056.40 = 7,048,290.40/x
  3. Step 3: Cross multiply
    12,528,037.60x = 18,792,056.40 × 7,048,290.40
  4. Step 4: Simplify right side
    12,528,037.60x = 132,451,870,720,378.56
  5. Step 5: Solve for x
    x = 132,451,870,720,378.56/12,528,037.60
  6. Step 6: Final answer
    x = 10,572,435.60

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Similar ratio
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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.