Home / 9,315,428.97-12,855,160.29-5,241,038.25

Finding the Fourth Proportional to 9,315,428.97, 12,855,160.29 and 5,241,038.25

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Solution

The fourth proportional to 9,315,428.97, 12,855,160.29 and 5,241,038.25 is: 7,232,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315,428.97 : 12,855,160.29 = 5,241,038.25 : x
  2. Step 2: Convert to fraction form
    9,315,428.97/12,855,160.29 = 5,241,038.25/x
  3. Step 3: Cross multiply
    9,315,428.97x = 12,855,160.29 × 5,241,038.25
  4. Step 4: Simplify right side
    9,315,428.97x = 67,374,386,789,771.09
  5. Step 5: Solve for x
    x = 67,374,386,789,771.09/9,315,428.97
  6. Step 6: Final answer
    x = 7,232,558.69

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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.