Home / 21,201,275.52-31,808,297.94-7,552,640.46

Finding the Fourth Proportional to 21,201,275.52, 31,808,297.94 and 7,552,640.46

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Solution

The fourth proportional to 21,201,275.52, 31,808,297.94 and 7,552,640.46 is: 11,331,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,201,275.52 : 31,808,297.94 = 7,552,640.46 : x
  2. Step 2: Convert to fraction form
    21,201,275.52/31,808,297.94 = 7,552,640.46/x
  3. Step 3: Cross multiply
    21,201,275.52x = 31,808,297.94 × 7,552,640.46
  4. Step 4: Simplify right side
    21,201,275.52x = 240,236,637,826,337.19
  5. Step 5: Solve for x
    x = 240,236,637,826,337.19/21,201,275.52
  6. Step 6: Final answer
    x = 11,331,235.12

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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.