Home / 13,835,005.10-20,758,412.55-6,642,836.90

Finding the Fourth Proportional to 13,835,005.10, 20,758,412.55 and 6,642,836.90

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Solution

The fourth proportional to 13,835,005.10, 20,758,412.55 and 6,642,836.90 is: 9,967,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835,005.10 : 20,758,412.55 = 6,642,836.90 : x
  2. Step 2: Convert to fraction form
    13,835,005.10/20,758,412.55 = 6,642,836.90/x
  3. Step 3: Cross multiply
    13,835,005.10x = 20,758,412.55 × 6,642,836.90
  4. Step 4: Simplify right side
    13,835,005.10x = 137,894,748,872,563.11
  5. Step 5: Solve for x
    x = 137,894,748,872,563.11/13,835,005.10
  6. Step 6: Final answer
    x = 9,967,090.57

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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.