Home / 30,829,701.12-42,544,986.38-16,891,585.08

Finding the Fourth Proportional to 30,829,701.12, 42,544,986.38 and 16,891,585.08

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Solution

The fourth proportional to 30,829,701.12, 42,544,986.38 and 16,891,585.08 is: 23,310,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829,701.12 : 42,544,986.38 = 16,891,585.08 : x
  2. Step 2: Convert to fraction form
    30,829,701.12/42,544,986.38 = 16,891,585.08/x
  3. Step 3: Cross multiply
    30,829,701.12x = 42,544,986.38 × 16,891,585.08
  4. Step 4: Simplify right side
    30,829,701.12x = 718,652,257,080,753.25
  5. Step 5: Solve for x
    x = 718,652,257,080,753.25/30,829,701.12
  6. Step 6: Final answer
    x = 23,310,386.77

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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.