Home / 10,586,291.20-15,879,436.80-9,610,014.40

Finding the Fourth Proportional to 10,586,291.20, 15,879,436.80 and 9,610,014.40

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Solution

The fourth proportional to 10,586,291.20, 15,879,436.80 and 9,610,014.40 is: 14,415,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586,291.20 : 15,879,436.80 = 9,610,014.40 : x
  2. Step 2: Convert to fraction form
    10,586,291.20/15,879,436.80 = 9,610,014.40/x
  3. Step 3: Cross multiply
    10,586,291.20x = 15,879,436.80 × 9,610,014.40
  4. Step 4: Simplify right side
    10,586,291.20x = 152,601,616,311,889.94
  5. Step 5: Solve for x
    x = 152,601,616,311,889.94/10,586,291.20
  6. Step 6: Final answer
    x = 14,415,021.60

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Similar ratio
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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.