Home / 13,687,262.84-18,886,752.42-10,903,476.11

Finding the Fourth Proportional to 13,687,262.84, 18,886,752.42 and 10,903,476.11

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Solution

The fourth proportional to 13,687,262.84, 18,886,752.42 and 10,903,476.11 is: 15,045,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,262.84 : 18,886,752.42 = 10,903,476.11 : x
  2. Step 2: Convert to fraction form
    13,687,262.84/18,886,752.42 = 10,903,476.11/x
  3. Step 3: Cross multiply
    13,687,262.84x = 18,886,752.42 × 10,903,476.11
  4. Step 4: Simplify right side
    13,687,262.84x = 205,931,253,712,520.94
  5. Step 5: Solve for x
    x = 205,931,253,712,520.94/13,687,262.84
  6. Step 6: Final answer
    x = 15,045,466.45

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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.