Home / 8,209,367.10-12,314,050.65-5,186,058.30

Finding the Fourth Proportional to 8,209,367.10, 12,314,050.65 and 5,186,058.30

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Solution

The fourth proportional to 8,209,367.10, 12,314,050.65 and 5,186,058.30 is: 7,779,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209,367.10 : 12,314,050.65 = 5,186,058.30 : x
  2. Step 2: Convert to fraction form
    8,209,367.10/12,314,050.65 = 5,186,058.30/x
  3. Step 3: Cross multiply
    8,209,367.10x = 12,314,050.65 × 5,186,058.30
  4. Step 4: Simplify right side
    8,209,367.10x = 63,861,384,580,052.90
  5. Step 5: Solve for x
    x = 63,861,384,580,052.90/8,209,367.10
  6. Step 6: Final answer
    x = 7,779,087.45

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Double scale
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Similar ratio
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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.