Home / 11,976,019.80-17,964,029.70-4,402,001.40

Finding the Fourth Proportional to 11,976,019.80, 17,964,029.70 and 4,402,001.40

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Solution

The fourth proportional to 11,976,019.80, 17,964,029.70 and 4,402,001.40 is: 6,603,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976,019.80 : 17,964,029.70 = 4,402,001.40 : x
  2. Step 2: Convert to fraction form
    11,976,019.80/17,964,029.70 = 4,402,001.40/x
  3. Step 3: Cross multiply
    11,976,019.80x = 17,964,029.70 × 4,402,001.40
  4. Step 4: Simplify right side
    11,976,019.80x = 79,077,683,889,041.58
  5. Step 5: Solve for x
    x = 79,077,683,889,041.58/11,976,019.80
  6. Step 6: Final answer
    x = 6,603,002.10

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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.