Home / 13,011,232.90-17,955,608.37-7,210,111.52

Finding the Fourth Proportional to 13,011,232.90, 17,955,608.37 and 7,210,111.52

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Solution

The fourth proportional to 13,011,232.90, 17,955,608.37 and 7,210,111.52 is: 9,950,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,232.90 : 17,955,608.37 = 7,210,111.52 : x
  2. Step 2: Convert to fraction form
    13,011,232.90/17,955,608.37 = 7,210,111.52/x
  3. Step 3: Cross multiply
    13,011,232.90x = 17,955,608.37 × 7,210,111.52
  4. Step 4: Simplify right side
    13,011,232.90x = 129,461,938,667,367.38
  5. Step 5: Solve for x
    x = 129,461,938,667,367.38/13,011,232.90
  6. Step 6: Final answer
    x = 9,950,013.17

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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.