Home / 11,039,947.20-16,559,920.80-9,276,350.40

Finding the Fourth Proportional to 11,039,947.20, 16,559,920.80 and 9,276,350.40

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Solution

The fourth proportional to 11,039,947.20, 16,559,920.80 and 9,276,350.40 is: 13,914,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039,947.20 : 16,559,920.80 = 9,276,350.40 : x
  2. Step 2: Convert to fraction form
    11,039,947.20/16,559,920.80 = 9,276,350.40/x
  3. Step 3: Cross multiply
    11,039,947.20x = 16,559,920.80 × 9,276,350.40
  4. Step 4: Simplify right side
    11,039,947.20x = 153,615,627,937,048.34
  5. Step 5: Solve for x
    x = 153,615,627,937,048.34/11,039,947.20
  6. Step 6: Final answer
    x = 13,914,525.60

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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.