Home / 8,870,602.60-13,305,903.90-3,191,012.20

Finding the Fourth Proportional to 8,870,602.60, 13,305,903.90 and 3,191,012.20

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Solution

The fourth proportional to 8,870,602.60, 13,305,903.90 and 3,191,012.20 is: 4,786,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,602.60 : 13,305,903.90 = 3,191,012.20 : x
  2. Step 2: Convert to fraction form
    8,870,602.60/13,305,903.90 = 3,191,012.20/x
  3. Step 3: Cross multiply
    8,870,602.60x = 13,305,903.90 × 3,191,012.20
  4. Step 4: Simplify right side
    8,870,602.60x = 42,459,301,676,927.59
  5. Step 5: Solve for x
    x = 42,459,301,676,927.59/8,870,602.60
  6. Step 6: Final answer
    x = 4,786,518.30

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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.