Home / 8,637,861-12,946,827-3,243,070.64

Finding the Fourth Proportional to 8,637,861, 12,946,827 and 3,243,070.64

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Solution

The fourth proportional to 8,637,861, 12,946,827 and 3,243,070.64 is: 4,860,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,861 : 12,946,827 = 3,243,070.64 : x
  2. Step 2: Convert to fraction form
    8,637,861/12,946,827 = 3,243,070.64/x
  3. Step 3: Cross multiply
    8,637,861x = 12,946,827 × 3,243,070.64
  4. Step 4: Simplify right side
    8,637,861x = 41,987,474,524,859.28
  5. Step 5: Solve for x
    x = 41,987,474,524,859.28/8,637,861
  6. Step 6: Final answer
    x = 4,860,864.80

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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.