Home / 12,167,330.79-16,773,027.71-9,261,660.72

Finding the Fourth Proportional to 12,167,330.79, 16,773,027.71 and 9,261,660.72

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Solution

The fourth proportional to 12,167,330.79, 16,773,027.71 and 9,261,660.72 is: 12,767,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167,330.79 : 16,773,027.71 = 9,261,660.72 : x
  2. Step 2: Convert to fraction form
    12,167,330.79/16,773,027.71 = 9,261,660.72/x
  3. Step 3: Cross multiply
    12,167,330.79x = 16,773,027.71 × 9,261,660.72
  4. Step 4: Simplify right side
    12,167,330.79x = 155,346,091,850,870.25
  5. Step 5: Solve for x
    x = 155,346,091,850,870.25/12,167,330.79
  6. Step 6: Final answer
    x = 12,767,475.01

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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.