Home / 9,879,359.40-14,798,043.90-8,199,743.40

Finding the Fourth Proportional to 9,879,359.40, 14,798,043.90 and 8,199,743.40

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Solution

The fourth proportional to 9,879,359.40, 14,798,043.90 and 8,199,743.40 is: 12,282,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879,359.40 : 14,798,043.90 = 8,199,743.40 : x
  2. Step 2: Convert to fraction form
    9,879,359.40/14,798,043.90 = 8,199,743.40/x
  3. Step 3: Cross multiply
    9,879,359.40x = 14,798,043.90 × 8,199,743.40
  4. Step 4: Simplify right side
    9,879,359.40x = 121,340,162,801,935.27
  5. Step 5: Solve for x
    x = 121,340,162,801,935.27/9,879,359.40
  6. Step 6: Final answer
    x = 12,282,189.35

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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.