Home / 39,260,929.18-54,179,023.75-21,857,275.93

Finding the Fourth Proportional to 39,260,929.18, 54,179,023.75 and 21,857,275.93

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Solution

The fourth proportional to 39,260,929.18, 54,179,023.75 and 21,857,275.93 is: 30,162,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,260,929.18 : 54,179,023.75 = 21,857,275.93 : x
  2. Step 2: Convert to fraction form
    39,260,929.18/54,179,023.75 = 21,857,275.93/x
  3. Step 3: Cross multiply
    39,260,929.18x = 54,179,023.75 × 21,857,275.93
  4. Step 4: Simplify right side
    39,260,929.18x = 1,184,205,871,756,215.50
  5. Step 5: Solve for x
    x = 1,184,205,871,756,215.50/39,260,929.18
  6. Step 6: Final answer
    x = 30,162,451.49

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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.