Home / 19,326,769.60-28,993,653.60-9,717,966.40

Finding the Fourth Proportional to 19,326,769.60, 28,993,653.60 and 9,717,966.40

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Solution

The fourth proportional to 19,326,769.60, 28,993,653.60 and 9,717,966.40 is: 14,578,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326,769.60 : 28,993,653.60 = 9,717,966.40 : x
  2. Step 2: Convert to fraction form
    19,326,769.60/28,993,653.60 = 9,717,966.40/x
  3. Step 3: Cross multiply
    19,326,769.60x = 28,993,653.60 × 9,717,966.40
  4. Step 4: Simplify right side
    19,326,769.60x = 281,759,351,498,039.06
  5. Step 5: Solve for x
    x = 281,759,351,498,039.06/19,326,769.60
  6. Step 6: Final answer
    x = 14,578,709.08

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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.