Home / 13,915,117.45-20,878,465.32-6,130,047.41

Finding the Fourth Proportional to 13,915,117.45, 20,878,465.32 and 6,130,047.41

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Solution

The fourth proportional to 13,915,117.45, 20,878,465.32 and 6,130,047.41 is: 9,197,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915,117.45 : 20,878,465.32 = 6,130,047.41 : x
  2. Step 2: Convert to fraction form
    13,915,117.45/20,878,465.32 = 6,130,047.41/x
  3. Step 3: Cross multiply
    13,915,117.45x = 20,878,465.32 × 6,130,047.41
  4. Step 4: Simplify right side
    13,915,117.45x = 127,985,982,296,511.86
  5. Step 5: Solve for x
    x = 127,985,982,296,511.86/13,915,117.45
  6. Step 6: Final answer
    x = 9,197,621.42

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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.