Home / 8,749,951.20-13,124,926.80-3,070,749.60

Finding the Fourth Proportional to 8,749,951.20, 13,124,926.80 and 3,070,749.60

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Solution

The fourth proportional to 8,749,951.20, 13,124,926.80 and 3,070,749.60 is: 4,606,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,951.20 : 13,124,926.80 = 3,070,749.60 : x
  2. Step 2: Convert to fraction form
    8,749,951.20/13,124,926.80 = 3,070,749.60/x
  3. Step 3: Cross multiply
    8,749,951.20x = 13,124,926.80 × 3,070,749.60
  4. Step 4: Simplify right side
    8,749,951.20x = 40,303,363,721,129.28
  5. Step 5: Solve for x
    x = 40,303,363,721,129.28/8,749,951.20
  6. Step 6: Final answer
    x = 4,606,124.40

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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.