Home / 12,217,941.79-16,859,776.39-7,061,637.31

Finding the Fourth Proportional to 12,217,941.79, 16,859,776.39 and 7,061,637.31

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Solution

The fourth proportional to 12,217,941.79, 16,859,776.39 and 7,061,637.31 is: 9,744,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,941.79 : 16,859,776.39 = 7,061,637.31 : x
  2. Step 2: Convert to fraction form
    12,217,941.79/16,859,776.39 = 7,061,637.31/x
  3. Step 3: Cross multiply
    12,217,941.79x = 16,859,776.39 × 7,061,637.31
  4. Step 4: Simplify right side
    12,217,941.79x = 119,057,625,993,881.11
  5. Step 5: Solve for x
    x = 119,057,625,993,881.11/12,217,941.79
  6. Step 6: Final answer
    x = 9,744,491.18

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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.