Home / 8,196,436.80-12,294,655.20-4,165,358.40

Finding the Fourth Proportional to 8,196,436.80, 12,294,655.20 and 4,165,358.40

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Solution

The fourth proportional to 8,196,436.80, 12,294,655.20 and 4,165,358.40 is: 6,248,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,436.80 : 12,294,655.20 = 4,165,358.40 : x
  2. Step 2: Convert to fraction form
    8,196,436.80/12,294,655.20 = 4,165,358.40/x
  3. Step 3: Cross multiply
    8,196,436.80x = 12,294,655.20 × 4,165,358.40
  4. Step 4: Simplify right side
    8,196,436.80x = 51,211,645,312,423.67
  5. Step 5: Solve for x
    x = 51,211,645,312,423.67/8,196,436.80
  6. Step 6: Final answer
    x = 6,248,037.60

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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.