Home / 7,855,424.70-10,840,316.12-4,547,858.42

Finding the Fourth Proportional to 7,855,424.70, 10,840,316.12 and 4,547,858.42

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Solution

The fourth proportional to 7,855,424.70, 10,840,316.12 and 4,547,858.42 is: 6,275,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855,424.70 : 10,840,316.12 = 4,547,858.42 : x
  2. Step 2: Convert to fraction form
    7,855,424.70/10,840,316.12 = 4,547,858.42/x
  3. Step 3: Cross multiply
    7,855,424.70x = 10,840,316.12 × 4,547,858.42
  4. Step 4: Simplify right side
    7,855,424.70x = 49,300,222,941,803.73
  5. Step 5: Solve for x
    x = 49,300,222,941,803.73/7,855,424.70
  6. Step 6: Final answer
    x = 6,275,946.22

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.