Home / 12,921,454.64-17,831,608.98-7,492,095.92

Finding the Fourth Proportional to 12,921,454.64, 17,831,608.98 and 7,492,095.92

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Solution

The fourth proportional to 12,921,454.64, 17,831,608.98 and 7,492,095.92 is: 10,339,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,921,454.64 : 17,831,608.98 = 7,492,095.92 : x
  2. Step 2: Convert to fraction form
    12,921,454.64/17,831,608.98 = 7,492,095.92/x
  3. Step 3: Cross multiply
    12,921,454.64x = 17,831,608.98 × 7,492,095.92
  4. Step 4: Simplify right side
    12,921,454.64x = 133,596,124,886,093.36
  5. Step 5: Solve for x
    x = 133,596,124,886,093.36/12,921,454.64
  6. Step 6: Final answer
    x = 10,339,093.28

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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.