Home / 13,460,426.55-20,190,639.83-8,085,655.35

Finding the Fourth Proportional to 13,460,426.55, 20,190,639.83 and 8,085,655.35

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Solution

The fourth proportional to 13,460,426.55, 20,190,639.83 and 8,085,655.35 is: 12,128,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,426.55 : 20,190,639.83 = 8,085,655.35 : x
  2. Step 2: Convert to fraction form
    13,460,426.55/20,190,639.83 = 8,085,655.35/x
  3. Step 3: Cross multiply
    13,460,426.55x = 20,190,639.83 × 8,085,655.35
  4. Step 4: Simplify right side
    13,460,426.55x = 163,254,554,920,934.31
  5. Step 5: Solve for x
    x = 163,254,554,920,934.31/13,460,426.55
  6. Step 6: Final answer
    x = 12,128,483.03

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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.