Home / 12,071,027.40-18,106,541.10-9,943,513.80

Finding the Fourth Proportional to 12,071,027.40, 18,106,541.10 and 9,943,513.80

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Solution

The fourth proportional to 12,071,027.40, 18,106,541.10 and 9,943,513.80 is: 14,915,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,027.40 : 18,106,541.10 = 9,943,513.80 : x
  2. Step 2: Convert to fraction form
    12,071,027.40/18,106,541.10 = 9,943,513.80/x
  3. Step 3: Cross multiply
    12,071,027.40x = 18,106,541.10 × 9,943,513.80
  4. Step 4: Simplify right side
    12,071,027.40x = 180,042,641,298,117.22
  5. Step 5: Solve for x
    x = 180,042,641,298,117.22/12,071,027.40
  6. Step 6: Final answer
    x = 14,915,270.70

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Double scale
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Similar ratio
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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.