Home / 21,932,898.16-30,269,430.48-12,143,342.48

Finding the Fourth Proportional to 21,932,898.16, 30,269,430.48 and 12,143,342.48

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Solution

The fourth proportional to 21,932,898.16, 30,269,430.48 and 12,143,342.48 is: 16,758,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,898.16 : 30,269,430.48 = 12,143,342.48 : x
  2. Step 2: Convert to fraction form
    21,932,898.16/30,269,430.48 = 12,143,342.48/x
  3. Step 3: Cross multiply
    21,932,898.16x = 30,269,430.48 × 12,143,342.48
  4. Step 4: Simplify right side
    21,932,898.16x = 367,572,060,993,190.81
  5. Step 5: Solve for x
    x = 367,572,060,993,190.81/21,932,898.16
  6. Step 6: Final answer
    x = 16,758,937.11

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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.