Home / 21,912,966.72-30,249,580.01-13,095,529.47

Finding the Fourth Proportional to 21,912,966.72, 30,249,580.01 and 13,095,529.47

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Solution

The fourth proportional to 21,912,966.72, 30,249,580.01 and 13,095,529.47 is: 18,077,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,912,966.72 : 30,249,580.01 = 13,095,529.47 : x
  2. Step 2: Convert to fraction form
    21,912,966.72/30,249,580.01 = 13,095,529.47/x
  3. Step 3: Cross multiply
    21,912,966.72x = 30,249,580.01 × 13,095,529.47
  4. Step 4: Simplify right side
    21,912,966.72x = 396,134,266,410,600.25
  5. Step 5: Solve for x
    x = 396,134,266,410,600.25/21,912,966.72
  6. Step 6: Final answer
    x = 18,077,619.13

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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.