Home / 28,995,314.23-40,012,457.52-15,941,796.49

Finding the Fourth Proportional to 28,995,314.23, 40,012,457.52 and 15,941,796.49

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Solution

The fourth proportional to 28,995,314.23, 40,012,457.52 and 15,941,796.49 is: 21,999,087.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995,314.23 : 40,012,457.52 = 15,941,796.49 : x
  2. Step 2: Convert to fraction form
    28,995,314.23/40,012,457.52 = 15,941,796.49/x
  3. Step 3: Cross multiply
    28,995,314.23x = 40,012,457.52 × 15,941,796.49
  4. Step 4: Simplify right side
    28,995,314.23x = 637,870,454,848,610.12
  5. Step 5: Solve for x
    x = 637,870,454,848,610.12/28,995,314.23
  6. Step 6: Final answer
    x = 21,999,087.50

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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.