Home / 31,272,254.86-43,157,304.54-18,036,509.64

Finding the Fourth Proportional to 31,272,254.86, 43,157,304.54 and 18,036,509.64

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Solution

The fourth proportional to 31,272,254.86, 43,157,304.54 and 18,036,509.64 is: 24,891,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272,254.86 : 43,157,304.54 = 18,036,509.64 : x
  2. Step 2: Convert to fraction form
    31,272,254.86/43,157,304.54 = 18,036,509.64/x
  3. Step 3: Cross multiply
    31,272,254.86x = 43,157,304.54 × 18,036,509.64
  4. Step 4: Simplify right side
    31,272,254.86x = 778,407,139,372,125.75
  5. Step 5: Solve for x
    x = 778,407,139,372,125.75/31,272,254.86
  6. Step 6: Final answer
    x = 24,891,301.98

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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.