Home / 21,069,686.80-31,582,980.41-10,675,651.17

Finding the Fourth Proportional to 21,069,686.80, 31,582,980.41 and 10,675,651.17

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Solution

The fourth proportional to 21,069,686.80, 31,582,980.41 and 10,675,651.17 is: 16,002,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069,686.80 : 31,582,980.41 = 10,675,651.17 : x
  2. Step 2: Convert to fraction form
    21,069,686.80/31,582,980.41 = 10,675,651.17/x
  3. Step 3: Cross multiply
    21,069,686.80x = 31,582,980.41 × 10,675,651.17
  4. Step 4: Simplify right side
    21,069,686.80x = 337,168,881,831,161.50
  5. Step 5: Solve for x
    x = 337,168,881,831,161.50/21,069,686.80
  6. Step 6: Final answer
    x = 16,002,557.85

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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.