Home / 30,815,930.32-42,525,945.48-17,064,877.84

Finding the Fourth Proportional to 30,815,930.32, 42,525,945.48 and 17,064,877.84

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Solution

The fourth proportional to 30,815,930.32, 42,525,945.48 and 17,064,877.84 is: 23,549,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,815,930.32 : 42,525,945.48 = 17,064,877.84 : x
  2. Step 2: Convert to fraction form
    30,815,930.32/42,525,945.48 = 17,064,877.84/x
  3. Step 3: Cross multiply
    30,815,930.32x = 42,525,945.48 × 17,064,877.84
  4. Step 4: Simplify right side
    30,815,930.32x = 725,700,064,646,700.12
  5. Step 5: Solve for x
    x = 725,700,064,646,700.12/30,815,930.32
  6. Step 6: Final answer
    x = 23,549,510.18

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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.