Home / 21,621,362.04-29,869,888.34-14,196,639.20

Finding the Fourth Proportional to 21,621,362.04, 29,869,888.34 and 14,196,639.20

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Solution

The fourth proportional to 21,621,362.04, 29,869,888.34 and 14,196,639.20 is: 19,612,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621,362.04 : 29,869,888.34 = 14,196,639.20 : x
  2. Step 2: Convert to fraction form
    21,621,362.04/29,869,888.34 = 14,196,639.20/x
  3. Step 3: Cross multiply
    21,621,362.04x = 29,869,888.34 × 14,196,639.20
  4. Step 4: Simplify right side
    21,621,362.04x = 424,052,027,486,934.31
  5. Step 5: Solve for x
    x = 424,052,027,486,934.31/21,621,362.04
  6. Step 6: Final answer
    x = 19,612,641.73

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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.