Home / 14,270,931.16-19,693,936.56-7,744,559.20

Finding the Fourth Proportional to 14,270,931.16, 19,693,936.56 and 7,744,559.20

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Solution

The fourth proportional to 14,270,931.16, 19,693,936.56 and 7,744,559.20 is: 10,687,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270,931.16 : 19,693,936.56 = 7,744,559.20 : x
  2. Step 2: Convert to fraction form
    14,270,931.16/19,693,936.56 = 7,744,559.20/x
  3. Step 3: Cross multiply
    14,270,931.16x = 19,693,936.56 × 7,744,559.20
  4. Step 4: Simplify right side
    14,270,931.16x = 152,520,857,569,964.34
  5. Step 5: Solve for x
    x = 152,520,857,569,964.34/14,270,931.16
  6. Step 6: Final answer
    x = 10,687,519.68

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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.