Home / 18,693,376.86-25,796,895.76-10,320,762.82

Finding the Fourth Proportional to 18,693,376.86, 25,796,895.76 and 10,320,762.82

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Solution

The fourth proportional to 18,693,376.86, 25,796,895.76 and 10,320,762.82 is: 14,242,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,376.86 : 25,796,895.76 = 10,320,762.82 : x
  2. Step 2: Convert to fraction form
    18,693,376.86/25,796,895.76 = 10,320,762.82/x
  3. Step 3: Cross multiply
    18,693,376.86x = 25,796,895.76 × 10,320,762.82
  4. Step 4: Simplify right side
    18,693,376.86x = 266,243,642,631,223.66
  5. Step 5: Solve for x
    x = 266,243,642,631,223.66/18,693,376.86
  6. Step 6: Final answer
    x = 14,242,672.40

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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.