Home / 21,716,948.99-32,579,428.22-7,144,688.63

Finding the Fourth Proportional to 21,716,948.99, 32,579,428.22 and 7,144,688.63

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Solution

The fourth proportional to 21,716,948.99, 32,579,428.22 and 7,144,688.63 is: 10,718,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716,948.99 : 32,579,428.22 = 7,144,688.63 : x
  2. Step 2: Convert to fraction form
    21,716,948.99/32,579,428.22 = 7,144,688.63/x
  3. Step 3: Cross multiply
    21,716,948.99x = 32,579,428.22 × 7,144,688.63
  4. Step 4: Simplify right side
    21,716,948.99x = 232,769,870,398,197.69
  5. Step 5: Solve for x
    x = 232,769,870,398,197.69/21,716,948.99
  6. Step 6: Final answer
    x = 10,718,350.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.