Home / 31,148,565.47-42,985,887.07-17,210,818.66

Finding the Fourth Proportional to 31,148,565.47, 42,985,887.07 and 17,210,818.66

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Solution

The fourth proportional to 31,148,565.47, 42,985,887.07 and 17,210,818.66 is: 23,751,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148,565.47 : 42,985,887.07 = 17,210,818.66 : x
  2. Step 2: Convert to fraction form
    31,148,565.47/42,985,887.07 = 17,210,818.66/x
  3. Step 3: Cross multiply
    31,148,565.47x = 42,985,887.07 × 17,210,818.66
  4. Step 4: Simplify right side
    31,148,565.47x = 739,822,307,379,864.12
  5. Step 5: Solve for x
    x = 739,822,307,379,864.12/31,148,565.47
  6. Step 6: Final answer
    x = 23,751,408.65

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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.