Home / 18,963,994-26,170,380.61-10,262,165.66

Finding the Fourth Proportional to 18,963,994, 26,170,380.61 and 10,262,165.66

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Solution

The fourth proportional to 18,963,994, 26,170,380.61 and 10,262,165.66 is: 14,161,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963,994 : 26,170,380.61 = 10,262,165.66 : x
  2. Step 2: Convert to fraction form
    18,963,994/26,170,380.61 = 10,262,165.66/x
  3. Step 3: Cross multiply
    18,963,994x = 26,170,380.61 × 10,262,165.66
  4. Step 4: Simplify right side
    18,963,994x = 268,564,781,205,071.84
  5. Step 5: Solve for x
    x = 268,564,781,205,071.84/18,963,994
  6. Step 6: Final answer
    x = 14,161,825.89

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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.