Home / 21,426,451.36-32,136,123.60-7,049,694.40

Finding the Fourth Proportional to 21,426,451.36, 32,136,123.60 and 7,049,694.40

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Solution

The fourth proportional to 21,426,451.36, 32,136,123.60 and 7,049,694.40 is: 10,573,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426,451.36 : 32,136,123.60 = 7,049,694.40 : x
  2. Step 2: Convert to fraction form
    21,426,451.36/32,136,123.60 = 7,049,694.40/x
  3. Step 3: Cross multiply
    21,426,451.36x = 32,136,123.60 × 7,049,694.40
  4. Step 4: Simplify right side
    21,426,451.36x = 226,549,850,580,627.88
  5. Step 5: Solve for x
    x = 226,549,850,580,627.88/21,426,451.36
  6. Step 6: Final answer
    x = 10,573,372.45

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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.