Home / 19,218,723.08-26,521,835.31-10,516,896.72

Finding the Fourth Proportional to 19,218,723.08, 26,521,835.31 and 10,516,896.72

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Solution

The fourth proportional to 19,218,723.08, 26,521,835.31 and 10,516,896.72 is: 14,513,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,723.08 : 26,521,835.31 = 10,516,896.72 : x
  2. Step 2: Convert to fraction form
    19,218,723.08/26,521,835.31 = 10,516,896.72/x
  3. Step 3: Cross multiply
    19,218,723.08x = 26,521,835.31 × 10,516,896.72
  4. Step 4: Simplify right side
    19,218,723.08x = 278,927,402,780,119.19
  5. Step 5: Solve for x
    x = 278,927,402,780,119.19/19,218,723.08
  6. Step 6: Final answer
    x = 14,513,316.09

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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.