Home / 11,877,764.64-16,391,360.16-6,445,256.64

Finding the Fourth Proportional to 11,877,764.64, 16,391,360.16 and 6,445,256.64

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Solution

The fourth proportional to 11,877,764.64, 16,391,360.16 and 6,445,256.64 is: 8,894,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877,764.64 : 16,391,360.16 = 6,445,256.64 : x
  2. Step 2: Convert to fraction form
    11,877,764.64/16,391,360.16 = 6,445,256.64/x
  3. Step 3: Cross multiply
    11,877,764.64x = 16,391,360.16 × 6,445,256.64
  4. Step 4: Simplify right side
    11,877,764.64x = 105,646,522,909,871.45
  5. Step 5: Solve for x
    x = 105,646,522,909,871.45/11,877,764.64
  6. Step 6: Final answer
    x = 8,894,478.56

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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.