Home / 14,223,689.76-19,628,690.64-7,697,318.40

Finding the Fourth Proportional to 14,223,689.76, 19,628,690.64 and 7,697,318.40

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Solution

The fourth proportional to 14,223,689.76, 19,628,690.64 and 7,697,318.40 is: 10,622,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223,689.76 : 19,628,690.64 = 7,697,318.40 : x
  2. Step 2: Convert to fraction form
    14,223,689.76/19,628,690.64 = 7,697,318.40/x
  3. Step 3: Cross multiply
    14,223,689.76x = 19,628,690.64 × 7,697,318.40
  4. Step 4: Simplify right side
    14,223,689.76x = 151,088,281,631,179.78
  5. Step 5: Solve for x
    x = 151,088,281,631,179.78/14,223,689.76
  6. Step 6: Final answer
    x = 10,622,298.73

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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.