Home / 15,335,792.28-21,163,465.08-8,460,272.52

Finding the Fourth Proportional to 15,335,792.28, 21,163,465.08 and 8,460,272.52

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Solution

The fourth proportional to 15,335,792.28, 21,163,465.08 and 8,460,272.52 is: 11,675,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335,792.28 : 21,163,465.08 = 8,460,272.52 : x
  2. Step 2: Convert to fraction form
    15,335,792.28/21,163,465.08 = 8,460,272.52/x
  3. Step 3: Cross multiply
    15,335,792.28x = 21,163,465.08 × 8,460,272.52
  4. Step 4: Simplify right side
    15,335,792.28x = 179,048,682,044,303.56
  5. Step 5: Solve for x
    x = 179,048,682,044,303.56/15,335,792.28
  6. Step 6: Final answer
    x = 11,675,215.65

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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.