Home / 12,086,594.80-18,129,892.20-9,346,721.20

Finding the Fourth Proportional to 12,086,594.80, 18,129,892.20 and 9,346,721.20

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Solution

The fourth proportional to 12,086,594.80, 18,129,892.20 and 9,346,721.20 is: 14,020,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086,594.80 : 18,129,892.20 = 9,346,721.20 : x
  2. Step 2: Convert to fraction form
    12,086,594.80/18,129,892.20 = 9,346,721.20/x
  3. Step 3: Cross multiply
    12,086,594.80x = 18,129,892.20 × 9,346,721.20
  4. Step 4: Simplify right side
    12,086,594.80x = 169,455,047,779,454.62
  5. Step 5: Solve for x
    x = 169,455,047,779,454.62/12,086,594.80
  6. Step 6: Final answer
    x = 14,020,081.80

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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.