Home / 19,105,657.28-26,365,808.80-10,403,827.36

Finding the Fourth Proportional to 19,105,657.28, 26,365,808.80 and 10,403,827.36

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Solution

The fourth proportional to 19,105,657.28, 26,365,808.80 and 10,403,827.36 is: 14,357,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105,657.28 : 26,365,808.80 = 10,403,827.36 : x
  2. Step 2: Convert to fraction form
    19,105,657.28/26,365,808.80 = 10,403,827.36/x
  3. Step 3: Cross multiply
    19,105,657.28x = 26,365,808.80 × 10,403,827.36
  4. Step 4: Simplify right side
    19,105,657.28x = 274,305,322,961,968.75
  5. Step 5: Solve for x
    x = 274,305,322,961,968.75/19,105,657.28
  6. Step 6: Final answer
    x = 14,357,282.71

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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.