Home / 14,272,782.72-19,696,459.63-7,746,412.28

Finding the Fourth Proportional to 14,272,782.72, 19,696,459.63 and 7,746,412.28

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Solution

The fourth proportional to 14,272,782.72, 19,696,459.63 and 7,746,412.28 is: 10,690,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272,782.72 : 19,696,459.63 = 7,746,412.28 : x
  2. Step 2: Convert to fraction form
    14,272,782.72/19,696,459.63 = 7,746,412.28/x
  3. Step 3: Cross multiply
    14,272,782.72x = 19,696,459.63 × 7,746,412.28
  4. Step 4: Simplify right side
    14,272,782.72x = 152,576,896,632,507.94
  5. Step 5: Solve for x
    x = 152,576,896,632,507.94/14,272,782.72
  6. Step 6: Final answer
    x = 10,690,059.51

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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.