Home / 13,758,000.40-20,637,000.60-7,786,032.40

Finding the Fourth Proportional to 13,758,000.40, 20,637,000.60 and 7,786,032.40

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Solution

The fourth proportional to 13,758,000.40, 20,637,000.60 and 7,786,032.40 is: 11,679,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758,000.40 : 20,637,000.60 = 7,786,032.40 : x
  2. Step 2: Convert to fraction form
    13,758,000.40/20,637,000.60 = 7,786,032.40/x
  3. Step 3: Cross multiply
    13,758,000.40x = 20,637,000.60 × 7,786,032.40
  4. Step 4: Simplify right side
    13,758,000.40x = 160,680,355,310,419.47
  5. Step 5: Solve for x
    x = 160,680,355,310,419.47/13,758,000.40
  6. Step 6: Final answer
    x = 11,679,048.60

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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.