Home / 18,121,457.30-25,007,603.85-9,972,695.30

Finding the Fourth Proportional to 18,121,457.30, 25,007,603.85 and 9,972,695.30

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Solution

The fourth proportional to 18,121,457.30, 25,007,603.85 and 9,972,695.30 is: 13,762,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,457.30 : 25,007,603.85 = 9,972,695.30 : x
  2. Step 2: Convert to fraction form
    18,121,457.30/25,007,603.85 = 9,972,695.30/x
  3. Step 3: Cross multiply
    18,121,457.30x = 25,007,603.85 × 9,972,695.30
  4. Step 4: Simplify right side
    18,121,457.30x = 249,393,213,254,118.91
  5. Step 5: Solve for x
    x = 249,393,213,254,118.91/18,121,457.30
  6. Step 6: Final answer
    x = 13,762,315.54

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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.