Home / 13,306,420-19,956,619.92-6,111,036.96

Finding the Fourth Proportional to 13,306,420, 19,956,619.92 and 6,111,036.96

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Solution

The fourth proportional to 13,306,420, 19,956,619.92 and 6,111,036.96 is: 9,165,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,420 : 19,956,619.92 = 6,111,036.96 : x
  2. Step 2: Convert to fraction form
    13,306,420/19,956,619.92 = 6,111,036.96/x
  3. Step 3: Cross multiply
    13,306,420x = 19,956,619.92 × 6,111,036.96
  4. Step 4: Simplify right side
    13,306,420x = 121,955,641,927,792.25
  5. Step 5: Solve for x
    x = 121,955,641,927,792.25/13,306,420
  6. Step 6: Final answer
    x = 9,165,173.05

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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.