Home / 8,130,043.19-12,196,180.16-4,719,930.63

Finding the Fourth Proportional to 8,130,043.19, 12,196,180.16 and 4,719,930.63

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Solution

The fourth proportional to 8,130,043.19, 12,196,180.16 and 4,719,930.63 is: 7,080,543.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,043.19 : 12,196,180.16 = 4,719,930.63 : x
  2. Step 2: Convert to fraction form
    8,130,043.19/12,196,180.16 = 4,719,930.63/x
  3. Step 3: Cross multiply
    8,130,043.19x = 12,196,180.16 × 4,719,930.63
  4. Step 4: Simplify right side
    8,130,043.19x = 57,565,124,306,182.30
  5. Step 5: Solve for x
    x = 57,565,124,306,182.30/8,130,043.19
  6. Step 6: Final answer
    x = 7,080,543.48

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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.