Home / 19,430,783.60-29,164,837.80-9,856,972.40

Finding the Fourth Proportional to 19,430,783.60, 29,164,837.80 and 9,856,972.40

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Solution

The fourth proportional to 19,430,783.60, 29,164,837.80 and 9,856,972.40 is: 14,794,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430,783.60 : 29,164,837.80 = 9,856,972.40 : x
  2. Step 2: Convert to fraction form
    19,430,783.60/29,164,837.80 = 9,856,972.40/x
  3. Step 3: Cross multiply
    19,430,783.60x = 29,164,837.80 × 9,856,972.40
  4. Step 4: Simplify right side
    19,430,783.60x = 287,477,001,245,076.75
  5. Step 5: Solve for x
    x = 287,477,001,245,076.75/19,430,783.60
  6. Step 6: Final answer
    x = 14,794,925.78

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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.