Home / 13,011,151.67-17,955,494.78-7,210,030.29

Finding the Fourth Proportional to 13,011,151.67, 17,955,494.78 and 7,210,030.29

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Solution

The fourth proportional to 13,011,151.67, 17,955,494.78 and 7,210,030.29 is: 9,949,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,151.67 : 17,955,494.78 = 7,210,030.29 : x
  2. Step 2: Convert to fraction form
    13,011,151.67/17,955,494.78 = 7,210,030.29/x
  3. Step 3: Cross multiply
    13,011,151.67x = 17,955,494.78 × 7,210,030.29
  4. Step 4: Simplify right side
    13,011,151.67x = 129,459,661,235,736.89
  5. Step 5: Solve for x
    x = 129,459,661,235,736.89/13,011,151.67
  6. Step 6: Final answer
    x = 9,949,900.25

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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.