Home / 7,656,856.20-10,565,985.38-4,218,904.84

Finding the Fourth Proportional to 7,656,856.20, 10,565,985.38 and 4,218,904.84

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Solution

The fourth proportional to 7,656,856.20, 10,565,985.38 and 4,218,904.84 is: 5,821,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656,856.20 : 10,565,985.38 = 4,218,904.84 : x
  2. Step 2: Convert to fraction form
    7,656,856.20/10,565,985.38 = 4,218,904.84/x
  3. Step 3: Cross multiply
    7,656,856.20x = 10,565,985.38 × 4,218,904.84
  4. Step 4: Simplify right side
    7,656,856.20x = 44,576,886,859,051.24
  5. Step 5: Solve for x
    x = 44,576,886,859,051.24/7,656,856.20
  6. Step 6: Final answer
    x = 5,821,826.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.