Home / 18,712,902.86-28,040,421.74-14,604,482.60

Finding the Fourth Proportional to 18,712,902.86, 28,040,421.74 and 14,604,482.60

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Solution

The fourth proportional to 18,712,902.86, 28,040,421.74 and 14,604,482.60 is: 21,884,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712,902.86 : 28,040,421.74 = 14,604,482.60 : x
  2. Step 2: Convert to fraction form
    18,712,902.86/28,040,421.74 = 14,604,482.60/x
  3. Step 3: Cross multiply
    18,712,902.86x = 28,040,421.74 × 14,604,482.60
  4. Step 4: Simplify right side
    18,712,902.86x = 409,515,851,398,491.69
  5. Step 5: Solve for x
    x = 409,515,851,398,491.69/18,712,902.86
  6. Step 6: Final answer
    x = 21,884,143.50

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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.