Home / 8,308,256.60-12,462,384.90-5,116,986.20

Finding the Fourth Proportional to 8,308,256.60, 12,462,384.90 and 5,116,986.20

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Solution

The fourth proportional to 8,308,256.60, 12,462,384.90 and 5,116,986.20 is: 7,675,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,256.60 : 12,462,384.90 = 5,116,986.20 : x
  2. Step 2: Convert to fraction form
    8,308,256.60/12,462,384.90 = 5,116,986.20/x
  3. Step 3: Cross multiply
    8,308,256.60x = 12,462,384.90 × 5,116,986.20
  4. Step 4: Simplify right side
    8,308,256.60x = 63,769,851,552,388.38
  5. Step 5: Solve for x
    x = 63,769,851,552,388.38/8,308,256.60
  6. Step 6: Final answer
    x = 7,675,479.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.