Home / 11,171,031.80-16,756,547.70-7,344,656.60

Finding the Fourth Proportional to 11,171,031.80, 16,756,547.70 and 7,344,656.60

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Solution

The fourth proportional to 11,171,031.80, 16,756,547.70 and 7,344,656.60 is: 11,016,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171,031.80 : 16,756,547.70 = 7,344,656.60 : x
  2. Step 2: Convert to fraction form
    11,171,031.80/16,756,547.70 = 7,344,656.60/x
  3. Step 3: Cross multiply
    11,171,031.80x = 16,756,547.70 × 7,344,656.60
  4. Step 4: Simplify right side
    11,171,031.80x = 123,071,088,658,019.81
  5. Step 5: Solve for x
    x = 123,071,088,658,019.81/11,171,031.80
  6. Step 6: Final answer
    x = 11,016,984.90

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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.