Home / 19,319,243.60-28,982,364.60-9,710,440.40

Finding the Fourth Proportional to 19,319,243.60, 28,982,364.60 and 9,710,440.40

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Solution

The fourth proportional to 19,319,243.60, 28,982,364.60 and 9,710,440.40 is: 14,567,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,243.60 : 28,982,364.60 = 9,710,440.40 : x
  2. Step 2: Convert to fraction form
    19,319,243.60/28,982,364.60 = 9,710,440.40/x
  3. Step 3: Cross multiply
    19,319,243.60x = 28,982,364.60 × 9,710,440.40
  4. Step 4: Simplify right side
    19,319,243.60x = 281,431,524,099,369.88
  5. Step 5: Solve for x
    x = 281,431,524,099,369.88/19,319,243.60
  6. Step 6: Final answer
    x = 14,567,419.40

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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.