Home / 18,644,686.92-25,730,362.80-10,272,397.32

Finding the Fourth Proportional to 18,644,686.92, 25,730,362.80 and 10,272,397.32

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Solution

The fourth proportional to 18,644,686.92, 25,730,362.80 and 10,272,397.32 is: 14,176,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644,686.92 : 25,730,362.80 = 10,272,397.32 : x
  2. Step 2: Convert to fraction form
    18,644,686.92/25,730,362.80 = 10,272,397.32/x
  3. Step 3: Cross multiply
    18,644,686.92x = 25,730,362.80 × 10,272,397.32
  4. Step 4: Simplify right side
    18,644,686.92x = 264,312,509,869,347.72
  5. Step 5: Solve for x
    x = 264,312,509,869,347.72/18,644,686.92
  6. Step 6: Final answer
    x = 14,176,291.13

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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.