Home / 38,128,677.18-52,617,948.39-20,725,011.66

Finding the Fourth Proportional to 38,128,677.18, 52,617,948.39 and 20,725,011.66

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Solution

The fourth proportional to 38,128,677.18, 52,617,948.39 and 20,725,011.66 is: 28,600,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128,677.18 : 52,617,948.39 = 20,725,011.66 : x
  2. Step 2: Convert to fraction form
    38,128,677.18/52,617,948.39 = 20,725,011.66/x
  3. Step 3: Cross multiply
    38,128,677.18x = 52,617,948.39 × 20,725,011.66
  4. Step 4: Simplify right side
    38,128,677.18x = 1,090,507,593,908,028.25
  5. Step 5: Solve for x
    x = 1,090,507,593,908,028.25/38,128,677.18
  6. Step 6: Final answer
    x = 28,600,719.32

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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.