Home / 39,185,673.23-58,722,689.40-28,869,402.87

Finding the Fourth Proportional to 39,185,673.23, 58,722,689.40 and 28,869,402.87

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Solution

The fourth proportional to 39,185,673.23, 58,722,689.40 and 28,869,402.87 is: 43,262,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,185,673.23 : 58,722,689.40 = 28,869,402.87 : x
  2. Step 2: Convert to fraction form
    39,185,673.23/58,722,689.40 = 28,869,402.87/x
  3. Step 3: Cross multiply
    39,185,673.23x = 58,722,689.40 × 28,869,402.87
  4. Step 4: Simplify right side
    39,185,673.23x = 1,695,288,977,898,478.50
  5. Step 5: Solve for x
    x = 1,695,288,977,898,478.50/39,185,673.23
  6. Step 6: Final answer
    x = 43,262,979.51

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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.