Home / 13,011,407.56-17,955,848.70-7,210,286.16

Finding the Fourth Proportional to 13,011,407.56, 17,955,848.70 and 7,210,286.16

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Solution

The fourth proportional to 13,011,407.56, 17,955,848.70 and 7,210,286.16 is: 9,950,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,407.56 : 17,955,848.70 = 7,210,286.16 : x
  2. Step 2: Convert to fraction form
    13,011,407.56/17,955,848.70 = 7,210,286.16/x
  3. Step 3: Cross multiply
    13,011,407.56x = 17,955,848.70 × 7,210,286.16
  4. Step 4: Simplify right side
    13,011,407.56x = 129,466,807,372,663.98
  5. Step 5: Solve for x
    x = 129,466,807,372,663.98/13,011,407.56
  6. Step 6: Final answer
    x = 9,950,253.79

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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.