Home / 12,860,145.60-19,312,336.80-12,462,014.40

Finding the Fourth Proportional to 12,860,145.60, 19,312,336.80 and 12,462,014.40

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Solution

The fourth proportional to 12,860,145.60, 19,312,336.80 and 12,462,014.40 is: 18,714,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,145.60 : 19,312,336.80 = 12,462,014.40 : x
  2. Step 2: Convert to fraction form
    12,860,145.60/19,312,336.80 = 12,462,014.40/x
  3. Step 3: Cross multiply
    12,860,145.60x = 19,312,336.80 × 12,462,014.40
  4. Step 4: Simplify right side
    12,860,145.60x = 240,670,619,299,249.94
  5. Step 5: Solve for x
    x = 240,670,619,299,249.94/12,860,145.60
  6. Step 6: Final answer
    x = 18,714,455.25

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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.