Home / 12,476,020.80-18,714,031.20-6,807,316.80

Finding the Fourth Proportional to 12,476,020.80, 18,714,031.20 and 6,807,316.80

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Solution

The fourth proportional to 12,476,020.80, 18,714,031.20 and 6,807,316.80 is: 10,210,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,020.80 : 18,714,031.20 = 6,807,316.80 : x
  2. Step 2: Convert to fraction form
    12,476,020.80/18,714,031.20 = 6,807,316.80/x
  3. Step 3: Cross multiply
    12,476,020.80x = 18,714,031.20 × 6,807,316.80
  4. Step 4: Simplify right side
    12,476,020.80x = 127,392,338,983,484.16
  5. Step 5: Solve for x
    x = 127,392,338,983,484.16/12,476,020.80
  6. Step 6: Final answer
    x = 10,210,975.20

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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.