Home / 12,322,390.72-18,465,541.44-6,941,528.32

Finding the Fourth Proportional to 12,322,390.72, 18,465,541.44 and 6,941,528.32

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Solution

The fourth proportional to 12,322,390.72, 18,465,541.44 and 6,941,528.32 is: 10,402,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322,390.72 : 18,465,541.44 = 6,941,528.32 : x
  2. Step 2: Convert to fraction form
    12,322,390.72/18,465,541.44 = 6,941,528.32/x
  3. Step 3: Cross multiply
    12,322,390.72x = 18,465,541.44 × 6,941,528.32
  4. Step 4: Simplify right side
    12,322,390.72x = 128,179,078,849,893.59
  5. Step 5: Solve for x
    x = 128,179,078,849,893.59/12,322,390.72
  6. Step 6: Final answer
    x = 10,402,127.46

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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.