Home / 30,975,248.97-42,744,088.67-17,223,917.85

Finding the Fourth Proportional to 30,975,248.97, 42,744,088.67 and 17,223,917.85

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Solution

The fourth proportional to 30,975,248.97, 42,744,088.67 and 17,223,917.85 is: 23,768,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975,248.97 : 42,744,088.67 = 17,223,917.85 : x
  2. Step 2: Convert to fraction form
    30,975,248.97/42,744,088.67 = 17,223,917.85/x
  3. Step 3: Cross multiply
    30,975,248.97x = 42,744,088.67 × 17,223,917.85
  4. Step 4: Simplify right side
    30,975,248.97x = 736,220,671,739,076.25
  5. Step 5: Solve for x
    x = 736,220,671,739,076.25/30,975,248.97
  6. Step 6: Final answer
    x = 23,768,030.81

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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.