Home / 9,787,336.80-14,681,005.20-6,386,114.40

Finding the Fourth Proportional to 9,787,336.80, 14,681,005.20 and 6,386,114.40

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Solution

The fourth proportional to 9,787,336.80, 14,681,005.20 and 6,386,114.40 is: 9,579,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787,336.80 : 14,681,005.20 = 6,386,114.40 : x
  2. Step 2: Convert to fraction form
    9,787,336.80/14,681,005.20 = 6,386,114.40/x
  3. Step 3: Cross multiply
    9,787,336.80x = 14,681,005.20 × 6,386,114.40
  4. Step 4: Simplify right side
    9,787,336.80x = 93,754,578,714,194.88
  5. Step 5: Solve for x
    x = 93,754,578,714,194.88/9,787,336.80
  6. Step 6: Final answer
    x = 9,579,171.60

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Double scale
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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.