Home / 27,702,203.45-38,228,373.43-15,142,699.85

Finding the Fourth Proportional to 27,702,203.45, 38,228,373.43 and 15,142,699.85

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Solution

The fourth proportional to 27,702,203.45, 38,228,373.43 and 15,142,699.85 is: 20,896,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702,203.45 : 38,228,373.43 = 15,142,699.85 : x
  2. Step 2: Convert to fraction form
    27,702,203.45/38,228,373.43 = 15,142,699.85/x
  3. Step 3: Cross multiply
    27,702,203.45x = 38,228,373.43 × 15,142,699.85
  4. Step 4: Simplify right side
    27,702,203.45x = 578,880,784,375,206.38
  5. Step 5: Solve for x
    x = 578,880,784,375,206.38/27,702,203.45
  6. Step 6: Final answer
    x = 20,896,561.01

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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.