Home / 16,405,214.40-24,607,821.60-12,578,839.20

Finding the Fourth Proportional to 16,405,214.40, 24,607,821.60 and 12,578,839.20

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Solution

The fourth proportional to 16,405,214.40, 24,607,821.60 and 12,578,839.20 is: 18,868,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405,214.40 : 24,607,821.60 = 12,578,839.20 : x
  2. Step 2: Convert to fraction form
    16,405,214.40/24,607,821.60 = 12,578,839.20/x
  3. Step 3: Cross multiply
    16,405,214.40x = 24,607,821.60 × 12,578,839.20
  4. Step 4: Simplify right side
    16,405,214.40x = 309,537,830,968,686.75
  5. Step 5: Solve for x
    x = 309,537,830,968,686.75/16,405,214.40
  6. Step 6: Final answer
    x = 18,868,258.80

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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.