Home / 13,851,036.10-20,776,554.15-8,111,473.30

Finding the Fourth Proportional to 13,851,036.10, 20,776,554.15 and 8,111,473.30

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Solution

The fourth proportional to 13,851,036.10, 20,776,554.15 and 8,111,473.30 is: 12,167,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,036.10 : 20,776,554.15 = 8,111,473.30 : x
  2. Step 2: Convert to fraction form
    13,851,036.10/20,776,554.15 = 8,111,473.30/x
  3. Step 3: Cross multiply
    13,851,036.10x = 20,776,554.15 × 8,111,473.30
  4. Step 4: Simplify right side
    13,851,036.10x = 168,528,464,253,729.19
  5. Step 5: Solve for x
    x = 168,528,464,253,729.19/13,851,036.10
  6. Step 6: Final answer
    x = 12,167,209.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.