Home / 8,761,809.40-13,142,714.10-6,210,892.60

Finding the Fourth Proportional to 8,761,809.40, 13,142,714.10 and 6,210,892.60

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Solution

The fourth proportional to 8,761,809.40, 13,142,714.10 and 6,210,892.60 is: 9,316,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,809.40 : 13,142,714.10 = 6,210,892.60 : x
  2. Step 2: Convert to fraction form
    8,761,809.40/13,142,714.10 = 6,210,892.60/x
  3. Step 3: Cross multiply
    8,761,809.40x = 13,142,714.10 × 6,210,892.60
  4. Step 4: Simplify right side
    8,761,809.40x = 81,627,985,747,605.66
  5. Step 5: Solve for x
    x = 81,627,985,747,605.66/8,761,809.40
  6. Step 6: Final answer
    x = 9,316,338.90

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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.