Home / 7,886,999.20-11,830,498.80-5,194,364.80

Finding the Fourth Proportional to 7,886,999.20, 11,830,498.80 and 5,194,364.80

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Solution

The fourth proportional to 7,886,999.20, 11,830,498.80 and 5,194,364.80 is: 7,791,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,999.20 : 11,830,498.80 = 5,194,364.80 : x
  2. Step 2: Convert to fraction form
    7,886,999.20/11,830,498.80 = 5,194,364.80/x
  3. Step 3: Cross multiply
    7,886,999.20x = 11,830,498.80 × 5,194,364.80
  4. Step 4: Simplify right side
    7,886,999.20x = 61,451,926,533,162.24
  5. Step 5: Solve for x
    x = 61,451,926,533,162.24/7,886,999.20
  6. Step 6: Final answer
    x = 7,791,547.20

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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.