Home / 13,011,401.56-17,955,840.43-7,210,280.16

Finding the Fourth Proportional to 13,011,401.56, 17,955,840.43 and 7,210,280.16

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Solution

The fourth proportional to 13,011,401.56, 17,955,840.43 and 7,210,280.16 is: 9,950,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,401.56 : 17,955,840.43 = 7,210,280.16 : x
  2. Step 2: Convert to fraction form
    13,011,401.56/17,955,840.43 = 7,210,280.16/x
  3. Step 3: Cross multiply
    13,011,401.56x = 17,955,840.43 × 7,210,280.16
  4. Step 4: Simplify right side
    13,011,401.56x = 129,466,639,900,749.95
  5. Step 5: Solve for x
    x = 129,466,639,900,749.95/13,011,401.56
  6. Step 6: Final answer
    x = 9,950,245.51

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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.