Home / 19,320,009.60-28,980,014.40-14,501,611.20

Finding the Fourth Proportional to 19,320,009.60, 28,980,014.40 and 14,501,611.20

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Solution

The fourth proportional to 19,320,009.60, 28,980,014.40 and 14,501,611.20 is: 21,752,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,009.60 : 28,980,014.40 = 14,501,611.20 : x
  2. Step 2: Convert to fraction form
    19,320,009.60/28,980,014.40 = 14,501,611.20/x
  3. Step 3: Cross multiply
    19,320,009.60x = 28,980,014.40 × 14,501,611.20
  4. Step 4: Simplify right side
    19,320,009.60x = 420,256,901,399,201.25
  5. Step 5: Solve for x
    x = 420,256,901,399,201.25/19,320,009.60
  6. Step 6: Final answer
    x = 21,752,416.80

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1.5x scale

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.