Home / 12,886,423.60-19,313,046.60-9,879,703.60

Finding the Fourth Proportional to 12,886,423.60, 19,313,046.60 and 9,879,703.60

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Solution

The fourth proportional to 12,886,423.60, 19,313,046.60 and 9,879,703.60 is: 14,806,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,423.60 : 19,313,046.60 = 9,879,703.60 : x
  2. Step 2: Convert to fraction form
    12,886,423.60/19,313,046.60 = 9,879,703.60/x
  3. Step 3: Cross multiply
    12,886,423.60x = 19,313,046.60 × 9,879,703.60
  4. Step 4: Simplify right side
    12,886,423.60x = 190,807,176,020,987.78
  5. Step 5: Solve for x
    x = 190,807,176,020,987.78/12,886,423.60
  6. Step 6: Final answer
    x = 14,806,837.18

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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.