Home / 13,308,009.60-19,962,014.40-12,934,761.60

Finding the Fourth Proportional to 13,308,009.60, 19,962,014.40 and 12,934,761.60

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Solution

The fourth proportional to 13,308,009.60, 19,962,014.40 and 12,934,761.60 is: 19,402,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,009.60 : 19,962,014.40 = 12,934,761.60 : x
  2. Step 2: Convert to fraction form
    13,308,009.60/19,962,014.40 = 12,934,761.60/x
  3. Step 3: Cross multiply
    13,308,009.60x = 19,962,014.40 × 12,934,761.60
  4. Step 4: Simplify right side
    13,308,009.60x = 258,203,897,319,767
  5. Step 5: Solve for x
    x = 258,203,897,319,767/13,308,009.60
  6. Step 6: Final answer
    x = 19,402,142.40

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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.