Home / 13,011,231.96-17,955,607.08-7,210,110.58

Finding the Fourth Proportional to 13,011,231.96, 17,955,607.08 and 7,210,110.58

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Solution

The fourth proportional to 13,011,231.96, 17,955,607.08 and 7,210,110.58 is: 9,950,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,231.96 : 17,955,607.08 = 7,210,110.58 : x
  2. Step 2: Convert to fraction form
    13,011,231.96/17,955,607.08 = 7,210,110.58/x
  3. Step 3: Cross multiply
    13,011,231.96x = 17,955,607.08 × 7,210,110.58
  4. Step 4: Simplify right side
    13,011,231.96x = 129,461,912,577,830.89
  5. Step 5: Solve for x
    x = 129,461,912,577,830.89/13,011,231.96
  6. Step 6: Final answer
    x = 9,950,011.88

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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.