Home / 18,223,488-25,148,938.32-10,075,250.88

Finding the Fourth Proportional to 18,223,488, 25,148,938.32 and 10,075,250.88

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Solution

The fourth proportional to 18,223,488, 25,148,938.32 and 10,075,250.88 is: 13,904,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223,488 : 25,148,938.32 = 10,075,250.88 : x
  2. Step 2: Convert to fraction form
    18,223,488/25,148,938.32 = 10,075,250.88/x
  3. Step 3: Cross multiply
    18,223,488x = 25,148,938.32 × 10,075,250.88
  4. Step 4: Simplify right side
    18,223,488x = 253,381,862,939,645.75
  5. Step 5: Solve for x
    x = 253,381,862,939,645.75/18,223,488
  6. Step 6: Final answer
    x = 13,904,136.41

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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.