Home / 13,006,421.89-17,946,580.95-7,422,118.75

Finding the Fourth Proportional to 13,006,421.89, 17,946,580.95 and 7,422,118.75

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Solution

The fourth proportional to 13,006,421.89, 17,946,580.95 and 7,422,118.75 is: 10,241,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006,421.89 : 17,946,580.95 = 7,422,118.75 : x
  2. Step 2: Convert to fraction form
    13,006,421.89/17,946,580.95 = 7,422,118.75/x
  3. Step 3: Cross multiply
    13,006,421.89x = 17,946,580.95 × 7,422,118.75
  4. Step 4: Simplify right side
    13,006,421.89x = 133,201,655,004,352.06
  5. Step 5: Solve for x
    x = 133,201,655,004,352.06/13,006,421.89
  6. Step 6: Final answer
    x = 10,241,222.07

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.