Home / 21,804,260.41-30,090,521.21-12,015,335.16

Finding the Fourth Proportional to 21,804,260.41, 30,090,521.21 and 12,015,335.16

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Solution

The fourth proportional to 21,804,260.41, 30,090,521.21 and 12,015,335.16 is: 16,581,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804,260.41 : 30,090,521.21 = 12,015,335.16 : x
  2. Step 2: Convert to fraction form
    21,804,260.41/30,090,521.21 = 12,015,335.16/x
  3. Step 3: Cross multiply
    21,804,260.41x = 30,090,521.21 × 12,015,335.16
  4. Step 4: Simplify right side
    21,804,260.41x = 361,547,697,477,238.75
  5. Step 5: Solve for x
    x = 361,547,697,477,238.75/21,804,260.41
  6. Step 6: Final answer
    x = 16,581,516.21

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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.