Home / 8,768,477.80-13,154,709.30-3,977,538.40

Finding the Fourth Proportional to 8,768,477.80, 13,154,709.30 and 3,977,538.40

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Solution

The fourth proportional to 8,768,477.80, 13,154,709.30 and 3,977,538.40 is: 5,967,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,477.80 : 13,154,709.30 = 3,977,538.40 : x
  2. Step 2: Convert to fraction form
    8,768,477.80/13,154,709.30 = 3,977,538.40/x
  3. Step 3: Cross multiply
    8,768,477.80x = 13,154,709.30 × 3,977,538.40
  4. Step 4: Simplify right side
    8,768,477.80x = 52,323,361,381,587.12
  5. Step 5: Solve for x
    x = 52,323,361,381,587.12/8,768,477.80
  6. Step 6: Final answer
    x = 5,967,211.48

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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.