Home / 13,068,002.12-18,034,281.12-7,187,885.06

Finding the Fourth Proportional to 13,068,002.12, 18,034,281.12 and 7,187,885.06

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Solution

The fourth proportional to 13,068,002.12, 18,034,281.12 and 7,187,885.06 is: 9,919,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068,002.12 : 18,034,281.12 = 7,187,885.06 : x
  2. Step 2: Convert to fraction form
    13,068,002.12/18,034,281.12 = 7,187,885.06/x
  3. Step 3: Cross multiply
    13,068,002.12x = 18,034,281.12 × 7,187,885.06
  4. Step 4: Simplify right side
    13,068,002.12x = 129,628,339,830,288.06
  5. Step 5: Solve for x
    x = 129,628,339,830,288.06/13,068,002.12
  6. Step 6: Final answer
    x = 9,919,522.41

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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.