Home / 14,192,792.49-19,586,061.21-7,666,421.82

Finding the Fourth Proportional to 14,192,792.49, 19,586,061.21 and 7,666,421.82

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Solution

The fourth proportional to 14,192,792.49, 19,586,061.21 and 7,666,421.82 is: 10,579,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192,792.49 : 19,586,061.21 = 7,666,421.82 : x
  2. Step 2: Convert to fraction form
    14,192,792.49/19,586,061.21 = 7,666,421.82/x
  3. Step 3: Cross multiply
    14,192,792.49x = 19,586,061.21 × 7,666,421.82
  4. Step 4: Simplify right side
    14,192,792.49x = 150,155,007,028,199.62
  5. Step 5: Solve for x
    x = 150,155,007,028,199.62/14,192,792.49
  6. Step 6: Final answer
    x = 10,579,666.20

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1.5x scale

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.