Home / 13,745,411.94-18,967,561.65-7,944,569.40

Finding the Fourth Proportional to 13,745,411.94, 18,967,561.65 and 7,944,569.40

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Solution

The fourth proportional to 13,745,411.94, 18,967,561.65 and 7,944,569.40 is: 10,962,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,411.94 : 18,967,561.65 = 7,944,569.40 : x
  2. Step 2: Convert to fraction form
    13,745,411.94/18,967,561.65 = 7,944,569.40/x
  3. Step 3: Cross multiply
    13,745,411.94x = 18,967,561.65 × 7,944,569.40
  4. Step 4: Simplify right side
    13,745,411.94x = 150,689,109,877,203.50
  5. Step 5: Solve for x
    x = 150,689,109,877,203.50/13,745,411.94
  6. Step 6: Final answer
    x = 10,962,866.05

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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.