Home / 14,830,776.64-20,466,635.47-8,215,466.43

Finding the Fourth Proportional to 14,830,776.64, 20,466,635.47 and 8,215,466.43

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Solution

The fourth proportional to 14,830,776.64, 20,466,635.47 and 8,215,466.43 is: 11,337,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830,776.64 : 20,466,635.47 = 8,215,466.43 : x
  2. Step 2: Convert to fraction form
    14,830,776.64/20,466,635.47 = 8,215,466.43/x
  3. Step 3: Cross multiply
    14,830,776.64x = 20,466,635.47 × 8,215,466.43
  4. Step 4: Simplify right side
    14,830,776.64x = 168,142,956,638,832.25
  5. Step 5: Solve for x
    x = 168,142,956,638,832.25/14,830,776.64
  6. Step 6: Final answer
    x = 11,337,434.36

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