Home / 19,872,079.30-29,808,119.19-6,408,907.30

Finding the Fourth Proportional to 19,872,079.30, 29,808,119.19 and 6,408,907.30

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Solution

The fourth proportional to 19,872,079.30, 29,808,119.19 and 6,408,907.30 is: 9,613,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,079.30 : 29,808,119.19 = 6,408,907.30 : x
  2. Step 2: Convert to fraction form
    19,872,079.30/29,808,119.19 = 6,408,907.30/x
  3. Step 3: Cross multiply
    19,872,079.30x = 29,808,119.19 × 6,408,907.30
  4. Step 4: Simplify right side
    19,872,079.30x = 191,037,472,676,061.09
  5. Step 5: Solve for x
    x = 191,037,472,676,061.09/19,872,079.30
  6. Step 6: Final answer
    x = 9,613,361.03

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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.