Home / 21,706,846.40-32,581,264.80-13,203,790.40

Finding the Fourth Proportional to 21,706,846.40, 32,581,264.80 and 13,203,790.40

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Solution

The fourth proportional to 21,706,846.40, 32,581,264.80 and 13,203,790.40 is: 19,818,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706,846.40 : 32,581,264.80 = 13,203,790.40 : x
  2. Step 2: Convert to fraction form
    21,706,846.40/32,581,264.80 = 13,203,790.40/x
  3. Step 3: Cross multiply
    21,706,846.40x = 32,581,264.80 × 13,203,790.40
  4. Step 4: Simplify right side
    21,706,846.40x = 430,196,191,386,097.94
  5. Step 5: Solve for x
    x = 430,196,191,386,097.94/21,706,846.40
  6. Step 6: Final answer
    x = 19,818,456.51

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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.