Home / 31,157,794.65-42,997,890.03-17,029,266.51

Finding the Fourth Proportional to 31,157,794.65, 42,997,890.03 and 17,029,266.51

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Solution

The fourth proportional to 31,157,794.65, 42,997,890.03 and 17,029,266.51 is: 23,500,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157,794.65 : 42,997,890.03 = 17,029,266.51 : x
  2. Step 2: Convert to fraction form
    31,157,794.65/42,997,890.03 = 17,029,266.51/x
  3. Step 3: Cross multiply
    31,157,794.65x = 42,997,890.03 × 17,029,266.51
  4. Step 4: Simplify right side
    31,157,794.65x = 732,222,528,688,542
  5. Step 5: Solve for x
    x = 732,222,528,688,542/31,157,794.65
  6. Step 6: Final answer
    x = 23,500,460.70

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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.