Home / 18,678,740.40-28,018,110.60-16,600,215.60

Finding the Fourth Proportional to 18,678,740.40, 28,018,110.60 and 16,600,215.60

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Solution

The fourth proportional to 18,678,740.40, 28,018,110.60 and 16,600,215.60 is: 24,900,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,740.40 : 28,018,110.60 = 16,600,215.60 : x
  2. Step 2: Convert to fraction form
    18,678,740.40/28,018,110.60 = 16,600,215.60/x
  3. Step 3: Cross multiply
    18,678,740.40x = 28,018,110.60 × 16,600,215.60
  4. Step 4: Simplify right side
    18,678,740.40x = 465,106,676,664,645.38
  5. Step 5: Solve for x
    x = 465,106,676,664,645.38/18,678,740.40
  6. Step 6: Final answer
    x = 24,900,323.40

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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.