Home / 12,310,374.27-16,990,426.02-7,156,725.17

Finding the Fourth Proportional to 12,310,374.27, 16,990,426.02 and 7,156,725.17

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Solution

The fourth proportional to 12,310,374.27, 16,990,426.02 and 7,156,725.17 is: 9,877,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,374.27 : 16,990,426.02 = 7,156,725.17 : x
  2. Step 2: Convert to fraction form
    12,310,374.27/16,990,426.02 = 7,156,725.17/x
  3. Step 3: Cross multiply
    12,310,374.27x = 16,990,426.02 × 7,156,725.17
  4. Step 4: Simplify right side
    12,310,374.27x = 121,595,809,588,832.98
  5. Step 5: Solve for x
    x = 121,595,809,588,832.98/12,310,374.27
  6. Step 6: Final answer
    x = 9,877,507.13

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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.