Home / 22,919,603.41-31,628,896.60-12,998,356.51

Finding the Fourth Proportional to 22,919,603.41, 31,628,896.60 and 12,998,356.51

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Solution

The fourth proportional to 22,919,603.41, 31,628,896.60 and 12,998,356.51 is: 17,937,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919,603.41 : 31,628,896.60 = 12,998,356.51 : x
  2. Step 2: Convert to fraction form
    22,919,603.41/31,628,896.60 = 12,998,356.51/x
  3. Step 3: Cross multiply
    22,919,603.41x = 31,628,896.60 × 12,998,356.51
  4. Step 4: Simplify right side
    22,919,603.41x = 411,123,674,024,726.88
  5. Step 5: Solve for x
    x = 411,123,674,024,726.88/22,919,603.41
  6. Step 6: Final answer
    x = 17,937,643.45

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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.