Home / 8,897,235.20-13,345,852.80-7,409,200.40

Finding the Fourth Proportional to 8,897,235.20, 13,345,852.80 and 7,409,200.40

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Solution

The fourth proportional to 8,897,235.20, 13,345,852.80 and 7,409,200.40 is: 11,113,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897,235.20 : 13,345,852.80 = 7,409,200.40 : x
  2. Step 2: Convert to fraction form
    8,897,235.20/13,345,852.80 = 7,409,200.40/x
  3. Step 3: Cross multiply
    8,897,235.20x = 13,345,852.80 × 7,409,200.40
  4. Step 4: Simplify right side
    8,897,235.20x = 98,882,097,904,101.12
  5. Step 5: Solve for x
    x = 98,882,097,904,101.12/8,897,235.20
  6. Step 6: Final answer
    x = 11,113,800.60

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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.