Home / 12,886,523.40-19,335,314.70-6,582,779.40

Finding the Fourth Proportional to 12,886,523.40, 19,335,314.70 and 6,582,779.40

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Solution

The fourth proportional to 12,886,523.40, 19,335,314.70 and 6,582,779.40 is: 9,876,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,523.40 : 19,335,314.70 = 6,582,779.40 : x
  2. Step 2: Convert to fraction form
    12,886,523.40/19,335,314.70 = 6,582,779.40/x
  3. Step 3: Cross multiply
    12,886,523.40x = 19,335,314.70 × 6,582,779.40
  4. Step 4: Simplify right side
    12,886,523.40x = 127,280,111,299,677.19
  5. Step 5: Solve for x
    x = 127,280,111,299,677.19/12,886,523.40
  6. Step 6: Final answer
    x = 9,876,993.77

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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.