Home / 13,011,407.44-17,955,848.54-7,210,286.04

Finding the Fourth Proportional to 13,011,407.44, 17,955,848.54 and 7,210,286.04

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Solution

The fourth proportional to 13,011,407.44, 17,955,848.54 and 7,210,286.04 is: 9,950,253.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,407.44 : 17,955,848.54 = 7,210,286.04 : x
  2. Step 2: Convert to fraction form
    13,011,407.44/17,955,848.54 = 7,210,286.04/x
  3. Step 3: Cross multiply
    13,011,407.44x = 17,955,848.54 × 7,210,286.04
  4. Step 4: Simplify right side
    13,011,407.44x = 129,466,804,064,316.38
  5. Step 5: Solve for x
    x = 129,466,804,064,316.38/13,011,407.44
  6. Step 6: Final answer
    x = 9,950,253.63

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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.