Home / 14,522,985.64-20,032,878.18-8,942,130.28

Finding the Fourth Proportional to 14,522,985.64, 20,032,878.18 and 8,942,130.28

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Solution

The fourth proportional to 14,522,985.64, 20,032,878.18 and 8,942,130.28 is: 12,334,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522,985.64 : 20,032,878.18 = 8,942,130.28 : x
  2. Step 2: Convert to fraction form
    14,522,985.64/20,032,878.18 = 8,942,130.28/x
  3. Step 3: Cross multiply
    14,522,985.64x = 20,032,878.18 × 8,942,130.28
  4. Step 4: Simplify right side
    14,522,985.64x = 179,136,606,568,929.28
  5. Step 5: Solve for x
    x = 179,136,606,568,929.28/14,522,985.64
  6. Step 6: Final answer
    x = 12,334,695.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.