Home / 10,721,465.60-16,080,643.20-3,147,641.60

Finding the Fourth Proportional to 10,721,465.60, 16,080,643.20 and 3,147,641.60

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Solution

The fourth proportional to 10,721,465.60, 16,080,643.20 and 3,147,641.60 is: 4,721,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721,465.60 : 16,080,643.20 = 3,147,641.60 : x
  2. Step 2: Convert to fraction form
    10,721,465.60/16,080,643.20 = 3,147,641.60/x
  3. Step 3: Cross multiply
    10,721,465.60x = 16,080,643.20 × 3,147,641.60
  4. Step 4: Simplify right side
    10,721,465.60x = 50,616,101,491,077.12
  5. Step 5: Solve for x
    x = 50,616,101,491,077.12/10,721,465.60
  6. Step 6: Final answer
    x = 4,721,005.82

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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.