Home / 31,071,534.23-42,897,089.95-27,624,237.21

Finding the Fourth Proportional to 31,071,534.23, 42,897,089.95 and 27,624,237.21

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Solution

The fourth proportional to 31,071,534.23, 42,897,089.95 and 27,624,237.21 is: 38,137,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,071,534.23 : 42,897,089.95 = 27,624,237.21 : x
  2. Step 2: Convert to fraction form
    31,071,534.23/42,897,089.95 = 27,624,237.21/x
  3. Step 3: Cross multiply
    31,071,534.23x = 42,897,089.95 × 27,624,237.21
  4. Step 4: Simplify right side
    31,071,534.23x = 1,184,999,388,328,446.50
  5. Step 5: Solve for x
    x = 1,184,999,388,328,446.50/31,071,534.23
  6. Step 6: Final answer
    x = 38,137,781.66

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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.