Home / 14,434,998.87-19,920,297.99-7,908,875.43

Finding the Fourth Proportional to 14,434,998.87, 19,920,297.99 and 7,908,875.43

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Solution

The fourth proportional to 14,434,998.87, 19,920,297.99 and 7,908,875.43 is: 10,914,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434,998.87 : 19,920,297.99 = 7,908,875.43 : x
  2. Step 2: Convert to fraction form
    14,434,998.87/19,920,297.99 = 7,908,875.43/x
  3. Step 3: Cross multiply
    14,434,998.87x = 19,920,297.99 × 7,908,875.43
  4. Step 4: Simplify right side
    14,434,998.87x = 157,547,155,331,389.38
  5. Step 5: Solve for x
    x = 157,547,155,331,389.38/14,434,998.87
  6. Step 6: Final answer
    x = 10,914,247.85

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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.