Home / 18,274,670.71-25,219,075.17-10,013,420.36

Finding the Fourth Proportional to 18,274,670.71, 25,219,075.17 and 10,013,420.36

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Solution

The fourth proportional to 18,274,670.71, 25,219,075.17 and 10,013,420.36 is: 13,818,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274,670.71 : 25,219,075.17 = 10,013,420.36 : x
  2. Step 2: Convert to fraction form
    18,274,670.71/25,219,075.17 = 10,013,420.36/x
  3. Step 3: Cross multiply
    18,274,670.71x = 25,219,075.17 × 10,013,420.36
  4. Step 4: Simplify right side
    18,274,670.71x = 252,529,200,868,246.47
  5. Step 5: Solve for x
    x = 252,529,200,868,246.47/18,274,670.71
  6. Step 6: Final answer
    x = 13,818,536.32

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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.