Home / 8,713,921.40-13,045,331.04-6,111,205.36

Finding the Fourth Proportional to 8,713,921.40, 13,045,331.04 and 6,111,205.36

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Solution

The fourth proportional to 8,713,921.40, 13,045,331.04 and 6,111,205.36 is: 9,148,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,921.40 : 13,045,331.04 = 6,111,205.36 : x
  2. Step 2: Convert to fraction form
    8,713,921.40/13,045,331.04 = 6,111,205.36/x
  3. Step 3: Cross multiply
    8,713,921.40x = 13,045,331.04 × 6,111,205.36
  4. Step 4: Simplify right side
    8,713,921.40x = 79,722,696,974,622.38
  5. Step 5: Solve for x
    x = 79,722,696,974,622.38/8,713,921.40
  6. Step 6: Final answer
    x = 9,148,888.69

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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.