Home / 21,243,533.40-31,865,300.10-11,144,842.20

Finding the Fourth Proportional to 21,243,533.40, 31,865,300.10 and 11,144,842.20

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Solution

The fourth proportional to 21,243,533.40, 31,865,300.10 and 11,144,842.20 is: 16,717,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,243,533.40 : 31,865,300.10 = 11,144,842.20 : x
  2. Step 2: Convert to fraction form
    21,243,533.40/31,865,300.10 = 11,144,842.20/x
  3. Step 3: Cross multiply
    21,243,533.40x = 31,865,300.10 × 11,144,842.20
  4. Step 4: Simplify right side
    21,243,533.40x = 355,133,741,270,144.19
  5. Step 5: Solve for x
    x = 355,133,741,270,144.19/21,243,533.40
  6. Step 6: Final answer
    x = 16,717,263.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.