Home / 21,148,293.36-29,184,543-11,980,914.24

Finding the Fourth Proportional to 21,148,293.36, 29,184,543 and 11,980,914.24

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Solution

The fourth proportional to 21,148,293.36, 29,184,543 and 11,980,914.24 is: 16,533,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,148,293.36 : 29,184,543 = 11,980,914.24 : x
  2. Step 2: Convert to fraction form
    21,148,293.36/29,184,543 = 11,980,914.24/x
  3. Step 3: Cross multiply
    21,148,293.36x = 29,184,543 × 11,980,914.24
  4. Step 4: Simplify right side
    21,148,293.36x = 349,657,506,816,592.31
  5. Step 5: Solve for x
    x = 349,657,506,816,592.31/21,148,293.36
  6. Step 6: Final answer
    x = 16,533,603.96

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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.