Home / 12,194,492.10-16,828,708.06-6,688,086.18

Finding the Fourth Proportional to 12,194,492.10, 16,828,708.06 and 6,688,086.18

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Solution

The fourth proportional to 12,194,492.10, 16,828,708.06 and 6,688,086.18 is: 9,229,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194,492.10 : 16,828,708.06 = 6,688,086.18 : x
  2. Step 2: Convert to fraction form
    12,194,492.10/16,828,708.06 = 6,688,086.18/x
  3. Step 3: Cross multiply
    12,194,492.10x = 16,828,708.06 × 6,688,086.18
  4. Step 4: Simplify right side
    12,194,492.10x = 112,551,849,803,340.59
  5. Step 5: Solve for x
    x = 112,551,849,803,340.59/12,194,492.10
  6. Step 6: Final answer
    x = 9,229,728.38

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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.