Home / 18,617,027.10-27,925,540.65-12,877,464.30

Finding the Fourth Proportional to 18,617,027.10, 27,925,540.65 and 12,877,464.30

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Solution

The fourth proportional to 18,617,027.10, 27,925,540.65 and 12,877,464.30 is: 19,316,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617,027.10 : 27,925,540.65 = 12,877,464.30 : x
  2. Step 2: Convert to fraction form
    18,617,027.10/27,925,540.65 = 12,877,464.30/x
  3. Step 3: Cross multiply
    18,617,027.10x = 27,925,540.65 × 12,877,464.30
  4. Step 4: Simplify right side
    18,617,027.10x = 359,610,152,778,573.81
  5. Step 5: Solve for x
    x = 359,610,152,778,573.81/18,617,027.10
  6. Step 6: Final answer
    x = 19,316,196.45

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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.