Home / 31,153,192.11-42,991,403.27-17,402,156.24

Finding the Fourth Proportional to 31,153,192.11, 42,991,403.27 and 17,402,156.24

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Solution

The fourth proportional to 31,153,192.11, 42,991,403.27 and 17,402,156.24 is: 24,014,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,153,192.11 : 42,991,403.27 = 17,402,156.24 : x
  2. Step 2: Convert to fraction form
    31,153,192.11/42,991,403.27 = 17,402,156.24/x
  3. Step 3: Cross multiply
    31,153,192.11x = 42,991,403.27 × 17,402,156.24
  4. Step 4: Simplify right side
    31,153,192.11x = 748,143,116,379,419.12
  5. Step 5: Solve for x
    x = 748,143,116,379,419.12/31,153,192.11
  6. Step 6: Final answer
    x = 24,014,974.57

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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.