Home / 21,973,776.40-32,974,661.40-12,875,856.40

Finding the Fourth Proportional to 21,973,776.40, 32,974,661.40 and 12,875,856.40

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Solution

The fourth proportional to 21,973,776.40, 32,974,661.40 and 12,875,856.40 is: 19,321,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973,776.40 : 32,974,661.40 = 12,875,856.40 : x
  2. Step 2: Convert to fraction form
    21,973,776.40/32,974,661.40 = 12,875,856.40/x
  3. Step 3: Cross multiply
    21,973,776.40x = 32,974,661.40 × 12,875,856.40
  4. Step 4: Simplify right side
    21,973,776.40x = 424,577,005,025,022.94
  5. Step 5: Solve for x
    x = 424,577,005,025,022.94/21,973,776.40
  6. Step 6: Final answer
    x = 19,321,986.23

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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.