Home / 18,671,889.75-25,767,663.48-10,411,871.42

Finding the Fourth Proportional to 18,671,889.75, 25,767,663.48 and 10,411,871.42

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Solution

The fourth proportional to 18,671,889.75, 25,767,663.48 and 10,411,871.42 is: 14,368,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671,889.75 : 25,767,663.48 = 10,411,871.42 : x
  2. Step 2: Convert to fraction form
    18,671,889.75/25,767,663.48 = 10,411,871.42/x
  3. Step 3: Cross multiply
    18,671,889.75x = 25,767,663.48 × 10,411,871.42
  4. Step 4: Simplify right side
    18,671,889.75x = 268,289,598,818,751.41
  5. Step 5: Solve for x
    x = 268,289,598,818,751.41/18,671,889.75
  6. Step 6: Final answer
    x = 14,368,636.62

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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.