Home / 14,009,803.28-21,012,965.56-3,775,463.28

Finding the Fourth Proportional to 14,009,803.28, 21,012,965.56 and 3,775,463.28

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Solution

The fourth proportional to 14,009,803.28, 21,012,965.56 and 3,775,463.28 is: 5,662,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,803.28 : 21,012,965.56 = 3,775,463.28 : x
  2. Step 2: Convert to fraction form
    14,009,803.28/21,012,965.56 = 3,775,463.28/x
  3. Step 3: Cross multiply
    14,009,803.28x = 21,012,965.56 × 3,775,463.28
  4. Step 4: Simplify right side
    14,009,803.28x = 79,333,679,875,684.62
  5. Step 5: Solve for x
    x = 79,333,679,875,684.62/14,009,803.28
  6. Step 6: Final answer
    x = 5,662,726.18

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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.