Home / 8,749,501.20-13,124,251.80-5,385,603.60

Finding the Fourth Proportional to 8,749,501.20, 13,124,251.80 and 5,385,603.60

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Solution

The fourth proportional to 8,749,501.20, 13,124,251.80 and 5,385,603.60 is: 8,078,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,501.20 : 13,124,251.80 = 5,385,603.60 : x
  2. Step 2: Convert to fraction form
    8,749,501.20/13,124,251.80 = 5,385,603.60/x
  3. Step 3: Cross multiply
    8,749,501.20x = 13,124,251.80 × 5,385,603.60
  4. Step 4: Simplify right side
    8,749,501.20x = 70,682,017,741,386.48
  5. Step 5: Solve for x
    x = 70,682,017,741,386.48/8,749,501.20
  6. Step 6: Final answer
    x = 8,078,405.40

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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.