Home / 30,915,004.20-46,372,506.30-10,720,246.20

Finding the Fourth Proportional to 30,915,004.20, 46,372,506.30 and 10,720,246.20

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Solution

The fourth proportional to 30,915,004.20, 46,372,506.30 and 10,720,246.20 is: 16,080,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915,004.20 : 46,372,506.30 = 10,720,246.20 : x
  2. Step 2: Convert to fraction form
    30,915,004.20/46,372,506.30 = 10,720,246.20/x
  3. Step 3: Cross multiply
    30,915,004.20x = 46,372,506.30 × 10,720,246.20
  4. Step 4: Simplify right side
    30,915,004.20x = 497,124,684,447,051
  5. Step 5: Solve for x
    x = 497,124,684,447,051/30,915,004.20
  6. Step 6: Final answer
    x = 16,080,369.30

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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.