Home / 21,533,713.60-32,257,024.80-13,421,790.40

Finding the Fourth Proportional to 21,533,713.60, 32,257,024.80 and 13,421,790.40

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Solution

The fourth proportional to 21,533,713.60, 32,257,024.80 and 13,421,790.40 is: 20,105,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533,713.60 : 32,257,024.80 = 13,421,790.40 : x
  2. Step 2: Convert to fraction form
    21,533,713.60/32,257,024.80 = 13,421,790.40/x
  3. Step 3: Cross multiply
    21,533,713.60x = 32,257,024.80 × 13,421,790.40
  4. Step 4: Simplify right side
    21,533,713.60x = 432,947,025,793,201.94
  5. Step 5: Solve for x
    x = 432,947,025,793,201.94/21,533,713.60
  6. Step 6: Final answer
    x = 20,105,543.98

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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.