Home / 8,783,139.60-13,174,709.40-7,397,456.40

Finding the Fourth Proportional to 8,783,139.60, 13,174,709.40 and 7,397,456.40

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Solution

The fourth proportional to 8,783,139.60, 13,174,709.40 and 7,397,456.40 is: 11,096,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783,139.60 : 13,174,709.40 = 7,397,456.40 : x
  2. Step 2: Convert to fraction form
    8,783,139.60/13,174,709.40 = 7,397,456.40/x
  3. Step 3: Cross multiply
    8,783,139.60x = 13,174,709.40 × 7,397,456.40
  4. Step 4: Simplify right side
    8,783,139.60x = 97,459,338,369,170.17
  5. Step 5: Solve for x
    x = 97,459,338,369,170.17/8,783,139.60
  6. Step 6: Final answer
    x = 11,096,184.60

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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.