Home / 17,821,124.40-26,731,686.60-5,213,636.40

Finding the Fourth Proportional to 17,821,124.40, 26,731,686.60 and 5,213,636.40

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Solution

The fourth proportional to 17,821,124.40, 26,731,686.60 and 5,213,636.40 is: 7,820,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821,124.40 : 26,731,686.60 = 5,213,636.40 : x
  2. Step 2: Convert to fraction form
    17,821,124.40/26,731,686.60 = 5,213,636.40/x
  3. Step 3: Cross multiply
    17,821,124.40x = 26,731,686.60 × 5,213,636.40
  4. Step 4: Simplify right side
    17,821,124.40x = 139,369,294,291,152.25
  5. Step 5: Solve for x
    x = 139,369,294,291,152.25/17,821,124.40
  6. Step 6: Final answer
    x = 7,820,454.60

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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.