Home / 13,011,250.41-17,955,630.99-7,210,129.05

Finding the Fourth Proportional to 13,011,250.41, 17,955,630.99 and 7,210,129.05

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Solution

The fourth proportional to 13,011,250.41, 17,955,630.99 and 7,210,129.05 is: 9,950,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,250.41 : 17,955,630.99 = 7,210,129.05 : x
  2. Step 2: Convert to fraction form
    13,011,250.41/17,955,630.99 = 7,210,129.05/x
  3. Step 3: Cross multiply
    13,011,250.41x = 17,955,630.99 × 7,210,129.05
  4. Step 4: Simplify right side
    13,011,250.41x = 129,462,416,612,079.25
  5. Step 5: Solve for x
    x = 129,462,416,612,079.25/13,011,250.41
  6. Step 6: Final answer
    x = 9,950,036.51

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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.