Home / 25,234,140-34,823,144.16-13,631,703.24

Finding the Fourth Proportional to 25,234,140, 34,823,144.16 and 13,631,703.24

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Solution

The fourth proportional to 25,234,140, 34,823,144.16 and 13,631,703.24 is: 18,811,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,234,140 : 34,823,144.16 = 13,631,703.24 : x
  2. Step 2: Convert to fraction form
    25,234,140/34,823,144.16 = 13,631,703.24/x
  3. Step 3: Cross multiply
    25,234,140x = 34,823,144.16 × 13,631,703.24
  4. Step 4: Simplify right side
    25,234,140x = 474,698,767,072,859.06
  5. Step 5: Solve for x
    x = 474,698,767,072,859.06/25,234,140
  6. Step 6: Final answer
    x = 18,811,767.20

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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.