Home / 7,099,629.56-10,638,607.80-4,215,316.58

Finding the Fourth Proportional to 7,099,629.56, 10,638,607.80 and 4,215,316.58

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Solution

The fourth proportional to 7,099,629.56, 10,638,607.80 and 4,215,316.58 is: 6,316,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,629.56 : 10,638,607.80 = 4,215,316.58 : x
  2. Step 2: Convert to fraction form
    7,099,629.56/10,638,607.80 = 4,215,316.58/x
  3. Step 3: Cross multiply
    7,099,629.56x = 10,638,607.80 × 4,215,316.58
  4. Step 4: Simplify right side
    7,099,629.56x = 44,845,099,849,966.51
  5. Step 5: Solve for x
    x = 44,845,099,849,966.51/7,099,629.56
  6. Step 6: Final answer
    x = 6,316,540.81

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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.