Home / 13,376,628.64-18,459,842-7,265,057.14

Finding the Fourth Proportional to 13,376,628.64, 18,459,842 and 7,265,057.14

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Solution

The fourth proportional to 13,376,628.64, 18,459,842 and 7,265,057.14 is: 10,025,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,628.64 : 18,459,842 = 7,265,057.14 : x
  2. Step 2: Convert to fraction form
    13,376,628.64/18,459,842 = 7,265,057.14/x
  3. Step 3: Cross multiply
    13,376,628.64x = 18,459,842 × 7,265,057.14
  4. Step 4: Simplify right side
    13,376,628.64x = 134,111,806,925,371.88
  5. Step 5: Solve for x
    x = 134,111,806,925,371.88/13,376,628.64
  6. Step 6: Final answer
    x = 10,025,830.17

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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.