Home / 12,455,628.40-18,683,442.60-5,724,042.40

Finding the Fourth Proportional to 12,455,628.40, 18,683,442.60 and 5,724,042.40

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Solution

The fourth proportional to 12,455,628.40, 18,683,442.60 and 5,724,042.40 is: 8,586,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,628.40 : 18,683,442.60 = 5,724,042.40 : x
  2. Step 2: Convert to fraction form
    12,455,628.40/18,683,442.60 = 5,724,042.40/x
  3. Step 3: Cross multiply
    12,455,628.40x = 18,683,442.60 × 5,724,042.40
  4. Step 4: Simplify right side
    12,455,628.40x = 106,944,817,620,366.25
  5. Step 5: Solve for x
    x = 106,944,817,620,366.25/12,455,628.40
  6. Step 6: Final answer
    x = 8,586,063.60

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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.