Home / 23,090,664.96-31,865,401.08-12,778,347.60

Finding the Fourth Proportional to 23,090,664.96, 31,865,401.08 and 12,778,347.60

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Solution

The fourth proportional to 23,090,664.96, 31,865,401.08 and 12,778,347.60 is: 17,634,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,090,664.96 : 31,865,401.08 = 12,778,347.60 : x
  2. Step 2: Convert to fraction form
    23,090,664.96/31,865,401.08 = 12,778,347.60/x
  3. Step 3: Cross multiply
    23,090,664.96x = 31,865,401.08 × 12,778,347.60
  4. Step 4: Simplify right side
    23,090,664.96x = 407,187,171,413,655.38
  5. Step 5: Solve for x
    x = 407,187,171,413,655.38/23,090,664.96
  6. Step 6: Final answer
    x = 17,634,276.54

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1.5x scale

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.