Home / 14,586,382.92-20,142,119.70-9,089,139.72

Finding the Fourth Proportional to 14,586,382.92, 20,142,119.70 and 9,089,139.72

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Solution

The fourth proportional to 14,586,382.92, 20,142,119.70 and 9,089,139.72 is: 12,551,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586,382.92 : 20,142,119.70 = 9,089,139.72 : x
  2. Step 2: Convert to fraction form
    14,586,382.92/20,142,119.70 = 9,089,139.72/x
  3. Step 3: Cross multiply
    14,586,382.92x = 20,142,119.70 × 9,089,139.72
  4. Step 4: Simplify right side
    14,586,382.92x = 183,074,540,210,264.50
  5. Step 5: Solve for x
    x = 183,074,540,210,264.50/14,586,382.92
  6. Step 6: Final answer
    x = 12,551,058.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.