Home / 8,146,158.60-12,219,237.90-8,020,187.40

Finding the Fourth Proportional to 8,146,158.60, 12,219,237.90 and 8,020,187.40

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Solution

The fourth proportional to 8,146,158.60, 12,219,237.90 and 8,020,187.40 is: 12,030,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146,158.60 : 12,219,237.90 = 8,020,187.40 : x
  2. Step 2: Convert to fraction form
    8,146,158.60/12,219,237.90 = 8,020,187.40/x
  3. Step 3: Cross multiply
    8,146,158.60x = 12,219,237.90 × 8,020,187.40
  4. Step 4: Simplify right side
    8,146,158.60x = 98,000,577,843,182.47
  5. Step 5: Solve for x
    x = 98,000,577,843,182.47/8,146,158.60
  6. Step 6: Final answer
    x = 12,030,281.10

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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.