Home / 12,992,038.72-19,479,200.72-6,589,946.16

Finding the Fourth Proportional to 12,992,038.72, 19,479,200.72 and 6,589,946.16

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Solution

The fourth proportional to 12,992,038.72, 19,479,200.72 and 6,589,946.16 is: 9,880,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,038.72 : 19,479,200.72 = 6,589,946.16 : x
  2. Step 2: Convert to fraction form
    12,992,038.72/19,479,200.72 = 6,589,946.16/x
  3. Step 3: Cross multiply
    12,992,038.72x = 19,479,200.72 × 6,589,946.16
  4. Step 4: Simplify right side
    12,992,038.72x = 128,366,883,984,633.23
  5. Step 5: Solve for x
    x = 128,366,883,984,633.23/12,992,038.72
  6. Step 6: Final answer
    x = 9,880,426.53

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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.