Home / 13,248,021.60-19,872,032.40-12,291,427.80

Finding the Fourth Proportional to 13,248,021.60, 19,872,032.40 and 12,291,427.80

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Solution

The fourth proportional to 13,248,021.60, 19,872,032.40 and 12,291,427.80 is: 18,437,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,021.60 : 19,872,032.40 = 12,291,427.80 : x
  2. Step 2: Convert to fraction form
    13,248,021.60/19,872,032.40 = 12,291,427.80/x
  3. Step 3: Cross multiply
    13,248,021.60x = 19,872,032.40 × 12,291,427.80
  4. Step 4: Simplify right side
    13,248,021.60x = 244,255,651,483,860.72
  5. Step 5: Solve for x
    x = 244,255,651,483,860.72/13,248,021.60
  6. Step 6: Final answer
    x = 18,437,141.70

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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.