Home / 12,112,731.36-16,721,166.69-7,467,346.53

Finding the Fourth Proportional to 12,112,731.36, 16,721,166.69 and 7,467,346.53

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Solution

The fourth proportional to 12,112,731.36, 16,721,166.69 and 7,467,346.53 is: 10,308,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,731.36 : 16,721,166.69 = 7,467,346.53 : x
  2. Step 2: Convert to fraction form
    12,112,731.36/16,721,166.69 = 7,467,346.53/x
  3. Step 3: Cross multiply
    12,112,731.36x = 16,721,166.69 × 7,467,346.53
  4. Step 4: Simplify right side
    12,112,731.36x = 124,862,746,060,123.09
  5. Step 5: Solve for x
    x = 124,862,746,060,123.09/12,112,731.36
  6. Step 6: Final answer
    x = 10,308,388.95

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1.5x scale

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.