Home / 7,772,959.64-11,660,933.92-2,980,275.12

Finding the Fourth Proportional to 7,772,959.64, 11,660,933.92 and 2,980,275.12

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Solution

The fourth proportional to 7,772,959.64, 11,660,933.92 and 2,980,275.12 is: 4,470,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,959.64 : 11,660,933.92 = 2,980,275.12 : x
  2. Step 2: Convert to fraction form
    7,772,959.64/11,660,933.92 = 2,980,275.12/x
  3. Step 3: Cross multiply
    7,772,959.64x = 11,660,933.92 × 2,980,275.12
  4. Step 4: Simplify right side
    7,772,959.64x = 34,752,791,237,740.07
  5. Step 5: Solve for x
    x = 34,752,791,237,740.07/7,772,959.64
  6. Step 6: Final answer
    x = 4,470,985.68

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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.