Home / 14,012,953.80-21,019,430.70-11,780,901.60

Finding the Fourth Proportional to 14,012,953.80, 21,019,430.70 and 11,780,901.60

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Solution

The fourth proportional to 14,012,953.80, 21,019,430.70 and 11,780,901.60 is: 17,671,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,953.80 : 21,019,430.70 = 11,780,901.60 : x
  2. Step 2: Convert to fraction form
    14,012,953.80/21,019,430.70 = 11,780,901.60/x
  3. Step 3: Cross multiply
    14,012,953.80x = 21,019,430.70 × 11,780,901.60
  4. Step 4: Simplify right side
    14,012,953.80x = 247,627,844,764,719.09
  5. Step 5: Solve for x
    x = 247,627,844,764,719.09/14,012,953.80
  6. Step 6: Final answer
    x = 17,671,352.40

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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.