Home / 8,586,221.40-12,879,332.10-6,206,765.40

Finding the Fourth Proportional to 8,586,221.40, 12,879,332.10 and 6,206,765.40

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Solution

The fourth proportional to 8,586,221.40, 12,879,332.10 and 6,206,765.40 is: 9,310,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586,221.40 : 12,879,332.10 = 6,206,765.40 : x
  2. Step 2: Convert to fraction form
    8,586,221.40/12,879,332.10 = 6,206,765.40/x
  3. Step 3: Cross multiply
    8,586,221.40x = 12,879,332.10 × 6,206,765.40
  4. Step 4: Simplify right side
    8,586,221.40x = 79,938,992,853,389.34
  5. Step 5: Solve for x
    x = 79,938,992,853,389.34/8,586,221.40
  6. Step 6: Final answer
    x = 9,310,148.10

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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.