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Finding the Fourth Proportional to 16,630,233.60, 24,964,012.80 and 12,860,428.80

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Solution

The fourth proportional to 16,630,233.60, 24,964,012.80 and 12,860,428.80 is: 19,305,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,630,233.60 : 24,964,012.80 = 12,860,428.80 : x
  2. Step 2: Convert to fraction form
    16,630,233.60/24,964,012.80 = 12,860,428.80/x
  3. Step 3: Cross multiply
    16,630,233.60x = 24,964,012.80 × 12,860,428.80
  4. Step 4: Simplify right side
    16,630,233.60x = 321,047,909,176,688.69
  5. Step 5: Solve for x
    x = 321,047,909,176,688.69/16,630,233.60
  6. Step 6: Final answer
    x = 19,305,075.14

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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.