Home / 12,465,027.60-18,697,541.40-8,210,000.40

Finding the Fourth Proportional to 12,465,027.60, 18,697,541.40 and 8,210,000.40

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Solution

The fourth proportional to 12,465,027.60, 18,697,541.40 and 8,210,000.40 is: 12,315,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,027.60 : 18,697,541.40 = 8,210,000.40 : x
  2. Step 2: Convert to fraction form
    12,465,027.60/18,697,541.40 = 8,210,000.40/x
  3. Step 3: Cross multiply
    12,465,027.60x = 18,697,541.40 × 8,210,000.40
  4. Step 4: Simplify right side
    12,465,027.60x = 153,506,822,373,016.56
  5. Step 5: Solve for x
    x = 153,506,822,373,016.56/12,465,027.60
  6. Step 6: Final answer
    x = 12,315,000.60

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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.