Home / 12,310,373.46-16,990,424.92-7,156,724.36

Finding the Fourth Proportional to 12,310,373.46, 16,990,424.92 and 7,156,724.36

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Solution

The fourth proportional to 12,310,373.46, 16,990,424.92 and 7,156,724.36 is: 9,877,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,373.46 : 16,990,424.92 = 7,156,724.36 : x
  2. Step 2: Convert to fraction form
    12,310,373.46/16,990,424.92 = 7,156,724.36/x
  3. Step 3: Cross multiply
    12,310,373.46x = 16,990,424.92 × 7,156,724.36
  4. Step 4: Simplify right side
    12,310,373.46x = 121,595,787,911,715.06
  5. Step 5: Solve for x
    x = 121,595,787,911,715.06/12,310,373.46
  6. Step 6: Final answer
    x = 9,877,506.02

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1.5x scale

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.