Home / 14,500,862.13-20,010,790.68-7,974,491.58

Finding the Fourth Proportional to 14,500,862.13, 20,010,790.68 and 7,974,491.58

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Solution

The fourth proportional to 14,500,862.13, 20,010,790.68 and 7,974,491.58 is: 11,004,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,862.13 : 20,010,790.68 = 7,974,491.58 : x
  2. Step 2: Convert to fraction form
    14,500,862.13/20,010,790.68 = 7,974,491.58/x
  3. Step 3: Cross multiply
    14,500,862.13x = 20,010,790.68 × 7,974,491.58
  4. Step 4: Simplify right side
    14,500,862.13x = 159,575,881,746,930.03
  5. Step 5: Solve for x
    x = 159,575,881,746,930.03/14,500,862.13
  6. Step 6: Final answer
    x = 11,004,578.93

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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.