Home / 31,272,253.36-43,157,302.47-18,036,508.14

Finding the Fourth Proportional to 31,272,253.36, 43,157,302.47 and 18,036,508.14

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Solution

The fourth proportional to 31,272,253.36, 43,157,302.47 and 18,036,508.14 is: 24,891,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272,253.36 : 43,157,302.47 = 18,036,508.14 : x
  2. Step 2: Convert to fraction form
    31,272,253.36/43,157,302.47 = 18,036,508.14/x
  3. Step 3: Cross multiply
    31,272,253.36x = 43,157,302.47 × 18,036,508.14
  4. Step 4: Simplify right side
    31,272,253.36x = 778,407,037,300,597.12
  5. Step 5: Solve for x
    x = 778,407,037,300,597.12/31,272,253.36
  6. Step 6: Final answer
    x = 24,891,299.91

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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.