Home / 28,120,501.19-42,112,635.51-19,460,334.62

Finding the Fourth Proportional to 28,120,501.19, 42,112,635.51 and 19,460,334.62

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Solution

The fourth proportional to 28,120,501.19, 42,112,635.51 and 19,460,334.62 is: 29,143,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,120,501.19 : 42,112,635.51 = 19,460,334.62 : x
  2. Step 2: Convert to fraction form
    28,120,501.19/42,112,635.51 = 19,460,334.62/x
  3. Step 3: Cross multiply
    28,120,501.19x = 42,112,635.51 × 19,460,334.62
  4. Step 4: Simplify right side
    28,120,501.19x = 819,525,978,754,694.38
  5. Step 5: Solve for x
    x = 819,525,978,754,694.38/28,120,501.19
  6. Step 6: Final answer
    x = 29,143,363.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.