Home / 13,913,665.83-19,200,881.47-7,718,712.70

Finding the Fourth Proportional to 13,913,665.83, 19,200,881.47 and 7,718,712.70

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Solution

The fourth proportional to 13,913,665.83, 19,200,881.47 and 7,718,712.70 is: 10,651,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913,665.83 : 19,200,881.47 = 7,718,712.70 : x
  2. Step 2: Convert to fraction form
    13,913,665.83/19,200,881.47 = 7,718,712.70/x
  3. Step 3: Cross multiply
    13,913,665.83x = 19,200,881.47 × 7,718,712.70
  4. Step 4: Simplify right side
    13,913,665.83x = 148,206,087,636,858.91
  5. Step 5: Solve for x
    x = 148,206,087,636,858.91/13,913,665.83
  6. Step 6: Final answer
    x = 10,651,836.08

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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.