Home / 12,059,143.80-18,051,390.90-6,995,412.60

Finding the Fourth Proportional to 12,059,143.80, 18,051,390.90 and 6,995,412.60

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Solution

The fourth proportional to 12,059,143.80, 18,051,390.90 and 6,995,412.60 is: 10,471,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059,143.80 : 18,051,390.90 = 6,995,412.60 : x
  2. Step 2: Convert to fraction form
    12,059,143.80/18,051,390.90 = 6,995,412.60/x
  3. Step 3: Cross multiply
    12,059,143.80x = 18,051,390.90 × 6,995,412.60
  4. Step 4: Simplify right side
    12,059,143.80x = 126,276,927,349,385.33
  5. Step 5: Solve for x
    x = 126,276,927,349,385.33/12,059,143.80
  6. Step 6: Final answer
    x = 10,471,467.08

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1.5x scale

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.