Home / 12,463,546.60-18,695,319.90-8,208,519.40

Finding the Fourth Proportional to 12,463,546.60, 18,695,319.90 and 8,208,519.40

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Solution

The fourth proportional to 12,463,546.60, 18,695,319.90 and 8,208,519.40 is: 12,312,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,546.60 : 18,695,319.90 = 8,208,519.40 : x
  2. Step 2: Convert to fraction form
    12,463,546.60/18,695,319.90 = 8,208,519.40/x
  3. Step 3: Cross multiply
    12,463,546.60x = 18,695,319.90 × 8,208,519.40
  4. Step 4: Simplify right side
    12,463,546.60x = 153,460,896,088,356.06
  5. Step 5: Solve for x
    x = 153,460,896,088,356.06/12,463,546.60
  6. Step 6: Final answer
    x = 12,312,779.10

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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.