Home / 9,780,756.40-14,671,134.60-6,190,577.20

Finding the Fourth Proportional to 9,780,756.40, 14,671,134.60 and 6,190,577.20

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Solution

The fourth proportional to 9,780,756.40, 14,671,134.60 and 6,190,577.20 is: 9,285,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,756.40 : 14,671,134.60 = 6,190,577.20 : x
  2. Step 2: Convert to fraction form
    9,780,756.40/14,671,134.60 = 6,190,577.20/x
  3. Step 3: Cross multiply
    9,780,756.40x = 14,671,134.60 × 6,190,577.20
  4. Step 4: Simplify right side
    9,780,756.40x = 90,822,791,352,891.12
  5. Step 5: Solve for x
    x = 90,822,791,352,891.12/9,780,756.40
  6. Step 6: Final answer
    x = 9,285,865.80

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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.