Home / 36,371,107-54,557,075.22-12,438,445.24

Finding the Fourth Proportional to 36,371,107, 54,557,075.22 and 12,438,445.24

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Solution

The fourth proportional to 36,371,107, 54,557,075.22 and 12,438,445.24 is: 18,657,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,371,107 : 54,557,075.22 = 12,438,445.24 : x
  2. Step 2: Convert to fraction form
    36,371,107/54,557,075.22 = 12,438,445.24/x
  3. Step 3: Cross multiply
    36,371,107x = 54,557,075.22 × 12,438,445.24
  4. Step 4: Simplify right side
    36,371,107x = 678,605,192,578,531
  5. Step 5: Solve for x
    x = 678,605,192,578,531/36,371,107
  6. Step 6: Final answer
    x = 18,657,809.69

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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.