Home / 20,412,708.10-30,619,062.15-9,075,300.10

Finding the Fourth Proportional to 20,412,708.10, 30,619,062.15 and 9,075,300.10

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Solution

The fourth proportional to 20,412,708.10, 30,619,062.15 and 9,075,300.10 is: 13,612,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,708.10 : 30,619,062.15 = 9,075,300.10 : x
  2. Step 2: Convert to fraction form
    20,412,708.10/30,619,062.15 = 9,075,300.10/x
  3. Step 3: Cross multiply
    20,412,708.10x = 30,619,062.15 × 9,075,300.10
  4. Step 4: Simplify right side
    20,412,708.10x = 277,877,177,791,801.19
  5. Step 5: Solve for x
    x = 277,877,177,791,801.19/20,412,708.10
  6. Step 6: Final answer
    x = 13,612,950.15

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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.