Home / 40,884,455.12-61,353,955-21,206,717.60

Finding the Fourth Proportional to 40,884,455.12, 61,353,955 and 21,206,717.60

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Solution

The fourth proportional to 40,884,455.12, 61,353,955 and 21,206,717.60 is: 31,824,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,884,455.12 : 61,353,955 = 21,206,717.60 : x
  2. Step 2: Convert to fraction form
    40,884,455.12/61,353,955 = 21,206,717.60/x
  3. Step 3: Cross multiply
    40,884,455.12x = 61,353,955 × 21,206,717.60
  4. Step 4: Simplify right side
    40,884,455.12x = 1,301,115,997,328,108
  5. Step 5: Solve for x
    x = 1,301,115,997,328,108/40,884,455.12
  6. Step 6: Final answer
    x = 31,824,222.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.