Home / 31,090,368.60-46,564,694.10-18,335,784.60

Finding the Fourth Proportional to 31,090,368.60, 46,564,694.10 and 18,335,784.60

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Solution

The fourth proportional to 31,090,368.60, 46,564,694.10 and 18,335,784.60 is: 27,461,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,090,368.60 : 46,564,694.10 = 18,335,784.60 : x
  2. Step 2: Convert to fraction form
    31,090,368.60/46,564,694.10 = 18,335,784.60/x
  3. Step 3: Cross multiply
    31,090,368.60x = 46,564,694.10 × 18,335,784.60
  4. Step 4: Simplify right side
    31,090,368.60x = 853,800,200,982,491
  5. Step 5: Solve for x
    x = 853,800,200,982,491/31,090,368.60
  6. Step 6: Final answer
    x = 27,461,887.38

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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.