Home / 21,177,271.32-29,224,634.76-12,009,914.10

Finding the Fourth Proportional to 21,177,271.32, 29,224,634.76 and 12,009,914.10

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Solution

The fourth proportional to 21,177,271.32, 29,224,634.76 and 12,009,914.10 is: 16,573,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,177,271.32 : 29,224,634.76 = 12,009,914.10 : x
  2. Step 2: Convert to fraction form
    21,177,271.32/29,224,634.76 = 12,009,914.10/x
  3. Step 3: Cross multiply
    21,177,271.32x = 29,224,634.76 × 12,009,914.10
  4. Step 4: Simplify right side
    21,177,271.32x = 350,985,353,071,474.12
  5. Step 5: Solve for x
    x = 350,985,353,071,474.12/21,177,271.32
  6. Step 6: Final answer
    x = 16,573,681.65

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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.