Home / 18,697,055.40-28,038,584.70-6,561,829.80

Finding the Fourth Proportional to 18,697,055.40, 28,038,584.70 and 6,561,829.80

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Solution

The fourth proportional to 18,697,055.40, 28,038,584.70 and 6,561,829.80 is: 9,840,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697,055.40 : 28,038,584.70 = 6,561,829.80 : x
  2. Step 2: Convert to fraction form
    18,697,055.40/28,038,584.70 = 6,561,829.80/x
  3. Step 3: Cross multiply
    18,697,055.40x = 28,038,584.70 × 6,561,829.80
  4. Step 4: Simplify right side
    18,697,055.40x = 183,984,420,634,284.06
  5. Step 5: Solve for x
    x = 183,984,420,634,284.06/18,697,055.40
  6. Step 6: Final answer
    x = 9,840,288.57

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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.