Home / 30,075,167.32-45,105,527.72-13,885,563.57

Finding the Fourth Proportional to 30,075,167.32, 45,105,527.72 and 13,885,563.57

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Solution

The fourth proportional to 30,075,167.32, 45,105,527.72 and 13,885,563.57 is: 20,825,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075,167.32 : 45,105,527.72 = 13,885,563.57 : x
  2. Step 2: Convert to fraction form
    30,075,167.32/45,105,527.72 = 13,885,563.57/x
  3. Step 3: Cross multiply
    30,075,167.32x = 45,105,527.72 × 13,885,563.57
  4. Step 4: Simplify right side
    30,075,167.32x = 626,315,672,514,457.12
  5. Step 5: Solve for x
    x = 626,315,672,514,457.12/30,075,167.32
  6. Step 6: Final answer
    x = 20,825,010.41

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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.