Home / 13,634,075.70-18,798,006.56-8,731,237.23

Finding the Fourth Proportional to 13,634,075.70, 18,798,006.56 and 8,731,237.23

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Solution

The fourth proportional to 13,634,075.70, 18,798,006.56 and 8,731,237.23 is: 12,038,209.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,075.70 : 18,798,006.56 = 8,731,237.23 : x
  2. Step 2: Convert to fraction form
    13,634,075.70/18,798,006.56 = 8,731,237.23/x
  3. Step 3: Cross multiply
    13,634,075.70x = 18,798,006.56 × 8,731,237.23
  4. Step 4: Simplify right side
    13,634,075.70x = 164,129,854,682,800.06
  5. Step 5: Solve for x
    x = 164,129,854,682,800.06/13,634,075.70
  6. Step 6: Final answer
    x = 12,038,209.14

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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.