Home / 10,359,615.40-15,539,423.10-3,171,165.10

Finding the Fourth Proportional to 10,359,615.40, 15,539,423.10 and 3,171,165.10

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Solution

The fourth proportional to 10,359,615.40, 15,539,423.10 and 3,171,165.10 is: 4,756,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359,615.40 : 15,539,423.10 = 3,171,165.10 : x
  2. Step 2: Convert to fraction form
    10,359,615.40/15,539,423.10 = 3,171,165.10/x
  3. Step 3: Cross multiply
    10,359,615.40x = 15,539,423.10 × 3,171,165.10
  4. Step 4: Simplify right side
    10,359,615.40x = 49,278,076,208,853.81
  5. Step 5: Solve for x
    x = 49,278,076,208,853.81/10,359,615.40
  6. Step 6: Final answer
    x = 4,756,747.65

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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.