Home / 19,312,890.60-28,972,835.10-9,704,087.40

Finding the Fourth Proportional to 19,312,890.60, 28,972,835.10 and 9,704,087.40

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Solution

The fourth proportional to 19,312,890.60, 28,972,835.10 and 9,704,087.40 is: 14,557,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,890.60 : 28,972,835.10 = 9,704,087.40 : x
  2. Step 2: Convert to fraction form
    19,312,890.60/28,972,835.10 = 9,704,087.40/x
  3. Step 3: Cross multiply
    19,312,890.60x = 28,972,835.10 × 9,704,087.40
  4. Step 4: Simplify right side
    19,312,890.60x = 281,154,924,036,187.75
  5. Step 5: Solve for x
    x = 281,154,924,036,187.75/19,312,890.60
  6. Step 6: Final answer
    x = 14,557,889.33

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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.