Home / 31,141,391.45-42,975,480.86-17,202,457.79

Finding the Fourth Proportional to 31,141,391.45, 42,975,480.86 and 17,202,457.79

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Solution

The fourth proportional to 31,141,391.45, 42,975,480.86 and 17,202,457.79 is: 23,739,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,141,391.45 : 42,975,480.86 = 17,202,457.79 : x
  2. Step 2: Convert to fraction form
    31,141,391.45/42,975,480.86 = 17,202,457.79/x
  3. Step 3: Cross multiply
    31,141,391.45x = 42,975,480.86 × 17,202,457.79
  4. Step 4: Simplify right side
    31,141,391.45x = 739,283,895,649,547.75
  5. Step 5: Solve for x
    x = 739,283,895,649,547.75/31,141,391.45
  6. Step 6: Final answer
    x = 23,739,590.98

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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.