Home / 15,519,596.24-21,418,119.24-9,408,282.32

Finding the Fourth Proportional to 15,519,596.24, 21,418,119.24 and 9,408,282.32

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Solution

The fourth proportional to 15,519,596.24, 21,418,119.24 and 9,408,282.32 is: 12,984,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,596.24 : 21,418,119.24 = 9,408,282.32 : x
  2. Step 2: Convert to fraction form
    15,519,596.24/21,418,119.24 = 9,408,282.32/x
  3. Step 3: Cross multiply
    15,519,596.24x = 21,418,119.24 × 9,408,282.32
  4. Step 4: Simplify right side
    15,519,596.24x = 201,507,712,573,343.81
  5. Step 5: Solve for x
    x = 201,507,712,573,343.81/15,519,596.24
  6. Step 6: Final answer
    x = 12,984,082.15

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1.5x scale

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.