Home / 19,570,541.60-29,355,812.40-12,768,096.80

Finding the Fourth Proportional to 19,570,541.60, 29,355,812.40 and 12,768,096.80

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Solution

The fourth proportional to 19,570,541.60, 29,355,812.40 and 12,768,096.80 is: 19,152,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,541.60 : 29,355,812.40 = 12,768,096.80 : x
  2. Step 2: Convert to fraction form
    19,570,541.60/29,355,812.40 = 12,768,096.80/x
  3. Step 3: Cross multiply
    19,570,541.60x = 29,355,812.40 × 12,768,096.80
  4. Step 4: Simplify right side
    19,570,541.60x = 374,817,854,365,840.31
  5. Step 5: Solve for x
    x = 374,817,854,365,840.31/19,570,541.60
  6. Step 6: Final answer
    x = 19,152,145.20

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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.