Home / 12,484,841.66-18,727,262.53-3,509,393.66

Finding the Fourth Proportional to 12,484,841.66, 18,727,262.53 and 3,509,393.66

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Solution

The fourth proportional to 12,484,841.66, 18,727,262.53 and 3,509,393.66 is: 5,264,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,841.66 : 18,727,262.53 = 3,509,393.66 : x
  2. Step 2: Convert to fraction form
    12,484,841.66/18,727,262.53 = 3,509,393.66/x
  3. Step 3: Cross multiply
    12,484,841.66x = 18,727,262.53 × 3,509,393.66
  4. Step 4: Simplify right side
    12,484,841.66x = 65,721,336,391,937.57
  5. Step 5: Solve for x
    x = 65,721,336,391,937.57/12,484,841.66
  6. Step 6: Final answer
    x = 5,264,090.50

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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.