Home / 31,047,223.65-42,845,455.35-17,109,077.28

Finding the Fourth Proportional to 31,047,223.65, 42,845,455.35 and 17,109,077.28

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Solution

The fourth proportional to 31,047,223.65, 42,845,455.35 and 17,109,077.28 is: 23,610,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047,223.65 : 42,845,455.35 = 17,109,077.28 : x
  2. Step 2: Convert to fraction form
    31,047,223.65/42,845,455.35 = 17,109,077.28/x
  3. Step 3: Cross multiply
    31,047,223.65x = 42,845,455.35 × 17,109,077.28
  4. Step 4: Simplify right side
    31,047,223.65x = 733,046,206,679,939.50
  5. Step 5: Solve for x
    x = 733,046,206,679,939.50/31,047,223.65
  6. Step 6: Final answer
    x = 23,610,684.64

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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.