Home / 15,703,653-23,555,484.96-4,921,790.40

Finding the Fourth Proportional to 15,703,653, 23,555,484.96 and 4,921,790.40

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Solution

The fourth proportional to 15,703,653, 23,555,484.96 and 4,921,790.40 is: 7,382,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703,653 : 23,555,484.96 = 4,921,790.40 : x
  2. Step 2: Convert to fraction form
    15,703,653/23,555,484.96 = 4,921,790.40/x
  3. Step 3: Cross multiply
    15,703,653x = 23,555,484.96 × 4,921,790.40
  4. Step 4: Simplify right side
    15,703,653x = 115,935,159,743,472.39
  5. Step 5: Solve for x
    x = 115,935,159,743,472.39/15,703,653
  6. Step 6: Final answer
    x = 7,382,687.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.