Home / 8,402,428.40-12,603,642.60-4,150,900.40

Finding the Fourth Proportional to 8,402,428.40, 12,603,642.60 and 4,150,900.40

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Solution

The fourth proportional to 8,402,428.40, 12,603,642.60 and 4,150,900.40 is: 6,226,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402,428.40 : 12,603,642.60 = 4,150,900.40 : x
  2. Step 2: Convert to fraction form
    8,402,428.40/12,603,642.60 = 4,150,900.40/x
  3. Step 3: Cross multiply
    8,402,428.40x = 12,603,642.60 × 4,150,900.40
  4. Step 4: Simplify right side
    8,402,428.40x = 52,316,465,109,797.04
  5. Step 5: Solve for x
    x = 52,316,465,109,797.04/8,402,428.40
  6. Step 6: Final answer
    x = 6,226,350.60

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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.