Home / 28,995,314.36-40,012,457.69-15,941,796.62

Finding the Fourth Proportional to 28,995,314.36, 40,012,457.69 and 15,941,796.62

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Solution

The fourth proportional to 28,995,314.36, 40,012,457.69 and 15,941,796.62 is: 21,999,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995,314.36 : 40,012,457.69 = 15,941,796.62 : x
  2. Step 2: Convert to fraction form
    28,995,314.36/40,012,457.69 = 15,941,796.62/x
  3. Step 3: Cross multiply
    28,995,314.36x = 40,012,457.69 × 15,941,796.62
  4. Step 4: Simplify right side
    28,995,314.36x = 637,870,462,600,127.25
  5. Step 5: Solve for x
    x = 637,870,462,600,127.25/28,995,314.36
  6. Step 6: Final answer
    x = 21,999,087.67

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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.