Home / 12,095,152.50-18,142,728.75-5,003,440.50

Finding the Fourth Proportional to 12,095,152.50, 18,142,728.75 and 5,003,440.50

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Solution

The fourth proportional to 12,095,152.50, 18,142,728.75 and 5,003,440.50 is: 7,505,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095,152.50 : 18,142,728.75 = 5,003,440.50 : x
  2. Step 2: Convert to fraction form
    12,095,152.50/18,142,728.75 = 5,003,440.50/x
  3. Step 3: Cross multiply
    12,095,152.50x = 18,142,728.75 × 5,003,440.50
  4. Step 4: Simplify right side
    12,095,152.50x = 90,776,063,808,264.38
  5. Step 5: Solve for x
    x = 90,776,063,808,264.38/12,095,152.50
  6. Step 6: Final answer
    x = 7,505,160.75

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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.