Home / 12,602,507.60-18,889,764.60-6,926,805.20

Finding the Fourth Proportional to 12,602,507.60, 18,889,764.60 and 6,926,805.20

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Solution

The fourth proportional to 12,602,507.60, 18,889,764.60 and 6,926,805.20 is: 10,382,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,507.60 : 18,889,764.60 = 6,926,805.20 : x
  2. Step 2: Convert to fraction form
    12,602,507.60/18,889,764.60 = 6,926,805.20/x
  3. Step 3: Cross multiply
    12,602,507.60x = 18,889,764.60 × 6,926,805.20
  4. Step 4: Simplify right side
    12,602,507.60x = 130,845,719,658,055.94
  5. Step 5: Solve for x
    x = 130,845,719,658,055.94/12,602,507.60
  6. Step 6: Final answer
    x = 10,382,514.64

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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.