Home / 9,785,746.70-14,678,620.05-8,903,948.30

Finding the Fourth Proportional to 9,785,746.70, 14,678,620.05 and 8,903,948.30

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Solution

The fourth proportional to 9,785,746.70, 14,678,620.05 and 8,903,948.30 is: 13,355,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785,746.70 : 14,678,620.05 = 8,903,948.30 : x
  2. Step 2: Convert to fraction form
    9,785,746.70/14,678,620.05 = 8,903,948.30/x
  3. Step 3: Cross multiply
    9,785,746.70x = 14,678,620.05 × 8,903,948.30
  4. Step 4: Simplify right side
    9,785,746.70x = 130,697,674,040,543.44
  5. Step 5: Solve for x
    x = 130,697,674,040,543.44/9,785,746.70
  6. Step 6: Final answer
    x = 13,355,922.45

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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.