Home / 13,011,233.40-17,955,609.06-7,210,112.02

Finding the Fourth Proportional to 13,011,233.40, 17,955,609.06 and 7,210,112.02

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Solution

The fourth proportional to 13,011,233.40, 17,955,609.06 and 7,210,112.02 is: 9,950,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,233.40 : 17,955,609.06 = 7,210,112.02 : x
  2. Step 2: Convert to fraction form
    13,011,233.40/17,955,609.06 = 7,210,112.02/x
  3. Step 3: Cross multiply
    13,011,233.40x = 17,955,609.06 × 7,210,112.02
  4. Step 4: Simplify right side
    13,011,233.40x = 129,461,952,709,926.89
  5. Step 5: Solve for x
    x = 129,461,952,709,926.89/13,011,233.40
  6. Step 6: Final answer
    x = 9,950,013.86

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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.