Home / 28,671,468.77-43,013,496.92-21,075,405.41

Finding the Fourth Proportional to 28,671,468.77, 43,013,496.92 and 21,075,405.41

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Solution

The fourth proportional to 28,671,468.77, 43,013,496.92 and 21,075,405.41 is: 31,617,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671,468.77 : 43,013,496.92 = 21,075,405.41 : x
  2. Step 2: Convert to fraction form
    28,671,468.77/43,013,496.92 = 21,075,405.41/x
  3. Step 3: Cross multiply
    28,671,468.77x = 43,013,496.92 × 21,075,405.41
  4. Step 4: Simplify right side
    28,671,468.77x = 906,526,885,370,341.88
  5. Step 5: Solve for x
    x = 906,526,885,370,341.88/28,671,468.77
  6. Step 6: Final answer
    x = 31,617,734.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.