Home / 7,020,443.80-10,530,665.70-4,315,999.60

Finding the Fourth Proportional to 7,020,443.80, 10,530,665.70 and 4,315,999.60

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Solution

The fourth proportional to 7,020,443.80, 10,530,665.70 and 4,315,999.60 is: 6,473,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,443.80 : 10,530,665.70 = 4,315,999.60 : x
  2. Step 2: Convert to fraction form
    7,020,443.80/10,530,665.70 = 4,315,999.60/x
  3. Step 3: Cross multiply
    7,020,443.80x = 10,530,665.70 × 4,315,999.60
  4. Step 4: Simplify right side
    7,020,443.80x = 45,450,348,948,933.71
  5. Step 5: Solve for x
    x = 45,450,348,948,933.71/7,020,443.80
  6. Step 6: Final answer
    x = 6,473,999.40

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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.