Home / 8,637,869.81-12,946,840.23-3,243,079.46

Finding the Fourth Proportional to 8,637,869.81, 12,946,840.23 and 3,243,079.46

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Solution

The fourth proportional to 8,637,869.81, 12,946,840.23 and 3,243,079.46 is: 4,860,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,869.81 : 12,946,840.23 = 3,243,079.46 : x
  2. Step 2: Convert to fraction form
    8,637,869.81/12,946,840.23 = 3,243,079.46/x
  3. Step 3: Cross multiply
    8,637,869.81x = 12,946,840.23 × 3,243,079.46
  4. Step 4: Simplify right side
    8,637,869.81x = 41,987,631,621,814.68
  5. Step 5: Solve for x
    x = 41,987,631,621,814.68/8,637,869.81
  6. Step 6: Final answer
    x = 4,860,878.03

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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.