Home / 9,315,428.47-12,855,159.60-5,241,037.75

Finding the Fourth Proportional to 9,315,428.47, 12,855,159.60 and 5,241,037.75

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Solution

The fourth proportional to 9,315,428.47, 12,855,159.60 and 5,241,037.75 is: 7,232,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315,428.47 : 12,855,159.60 = 5,241,037.75 : x
  2. Step 2: Convert to fraction form
    9,315,428.47/12,855,159.60 = 5,241,037.75/x
  3. Step 3: Cross multiply
    9,315,428.47x = 12,855,159.60 × 5,241,037.75
  4. Step 4: Simplify right side
    9,315,428.47x = 67,374,376,745,874.90
  5. Step 5: Solve for x
    x = 67,374,376,745,874.90/9,315,428.47
  6. Step 6: Final answer
    x = 7,232,558.00

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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.