Home / 28,180,298.15-42,209,712.61-19,032,090.71

Finding the Fourth Proportional to 28,180,298.15, 42,209,712.61 and 19,032,090.71

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Solution

The fourth proportional to 28,180,298.15, 42,209,712.61 and 19,032,090.71 is: 28,507,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180,298.15 : 42,209,712.61 = 19,032,090.71 : x
  2. Step 2: Convert to fraction form
    28,180,298.15/42,209,712.61 = 19,032,090.71/x
  3. Step 3: Cross multiply
    28,180,298.15x = 42,209,712.61 × 19,032,090.71
  4. Step 4: Simplify right side
    28,180,298.15x = 803,339,079,236,550.88
  5. Step 5: Solve for x
    x = 803,339,079,236,550.88/28,180,298.15
  6. Step 6: Final answer
    x = 28,507,117.81

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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.