Home / 12,100,818.60-16,698,340.26-6,668,309.16

Finding the Fourth Proportional to 12,100,818.60, 16,698,340.26 and 6,668,309.16

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Solution

The fourth proportional to 12,100,818.60, 16,698,340.26 and 6,668,309.16 is: 9,201,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100,818.60 : 16,698,340.26 = 6,668,309.16 : x
  2. Step 2: Convert to fraction form
    12,100,818.60/16,698,340.26 = 6,668,309.16/x
  3. Step 3: Cross multiply
    12,100,818.60x = 16,698,340.26 × 6,668,309.16
  4. Step 4: Simplify right side
    12,100,818.60x = 111,349,695,312,554.78
  5. Step 5: Solve for x
    x = 111,349,695,312,554.78/12,100,818.60
  6. Step 6: Final answer
    x = 9,201,831.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.