Home / 13,104,281.80-19,668,086.70-7,706,182.60

Finding the Fourth Proportional to 13,104,281.80, 19,668,086.70 and 7,706,182.60

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Solution

The fourth proportional to 13,104,281.80, 19,668,086.70 and 7,706,182.60 is: 11,566,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104,281.80 : 19,668,086.70 = 7,706,182.60 : x
  2. Step 2: Convert to fraction form
    13,104,281.80/19,668,086.70 = 7,706,182.60/x
  3. Step 3: Cross multiply
    13,104,281.80x = 19,668,086.70 × 7,706,182.60
  4. Step 4: Simplify right side
    13,104,281.80x = 151,565,867,502,831.41
  5. Step 5: Solve for x
    x = 151,565,867,502,831.41/13,104,281.80
  6. Step 6: Final answer
    x = 11,566,133.10

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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.