Home / 8,898,678.80-13,348,018.20-4,853,603.60

Finding the Fourth Proportional to 8,898,678.80, 13,348,018.20 and 4,853,603.60

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Solution

The fourth proportional to 8,898,678.80, 13,348,018.20 and 4,853,603.60 is: 7,280,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,678.80 : 13,348,018.20 = 4,853,603.60 : x
  2. Step 2: Convert to fraction form
    8,898,678.80/13,348,018.20 = 4,853,603.60/x
  3. Step 3: Cross multiply
    8,898,678.80x = 13,348,018.20 × 4,853,603.60
  4. Step 4: Simplify right side
    8,898,678.80x = 64,785,989,188,385.51
  5. Step 5: Solve for x
    x = 64,785,989,188,385.51/8,898,678.80
  6. Step 6: Final answer
    x = 7,280,405.40

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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.