Home / 18,602,188.80-25,671,398.45-10,342,578.70

Finding the Fourth Proportional to 18,602,188.80, 25,671,398.45 and 10,342,578.70

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Solution

The fourth proportional to 18,602,188.80, 25,671,398.45 and 10,342,578.70 is: 14,272,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602,188.80 : 25,671,398.45 = 10,342,578.70 : x
  2. Step 2: Convert to fraction form
    18,602,188.80/25,671,398.45 = 10,342,578.70/x
  3. Step 3: Cross multiply
    18,602,188.80x = 25,671,398.45 × 10,342,578.70
  4. Step 4: Simplify right side
    18,602,188.80x = 265,508,458,808,183
  5. Step 5: Solve for x
    x = 265,508,458,808,183/18,602,188.80
  6. Step 6: Final answer
    x = 14,272,968.72

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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.