Home / 11,916,303.90-17,860,459.05-5,513,031.42

Finding the Fourth Proportional to 11,916,303.90, 17,860,459.05 and 5,513,031.42

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Solution

The fourth proportional to 11,916,303.90, 17,860,459.05 and 5,513,031.42 is: 8,263,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916,303.90 : 17,860,459.05 = 5,513,031.42 : x
  2. Step 2: Convert to fraction form
    11,916,303.90/17,860,459.05 = 5,513,031.42/x
  3. Step 3: Cross multiply
    11,916,303.90x = 17,860,459.05 × 5,513,031.42
  4. Step 4: Simplify right side
    11,916,303.90x = 98,465,271,918,273.36
  5. Step 5: Solve for x
    x = 98,465,271,918,273.36/11,916,303.90
  6. Step 6: Final answer
    x = 8,263,071.57

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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.