Home / 28,353,393-39,127,879.17-16,130,250

Finding the Fourth Proportional to 28,353,393, 39,127,879.17 and 16,130,250

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Solution

The fourth proportional to 28,353,393, 39,127,879.17 and 16,130,250 is: 22,259,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353,393 : 39,127,879.17 = 16,130,250 : x
  2. Step 2: Convert to fraction form
    28,353,393/39,127,879.17 = 16,130,250/x
  3. Step 3: Cross multiply
    28,353,393x = 39,127,879.17 × 16,130,250
  4. Step 4: Simplify right side
    28,353,393x = 631,142,472,981,892.50
  5. Step 5: Solve for x
    x = 631,142,472,981,892.50/28,353,393
  6. Step 6: Final answer
    x = 22,259,856.98

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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.