Home / 14,537,415.60-21,782,503.80-12,128,216.40

Finding the Fourth Proportional to 14,537,415.60, 21,782,503.80 and 12,128,216.40

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Solution

The fourth proportional to 14,537,415.60, 21,782,503.80 and 12,128,216.40 is: 18,172,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,537,415.60 : 21,782,503.80 = 12,128,216.40 : x
  2. Step 2: Convert to fraction form
    14,537,415.60/21,782,503.80 = 12,128,216.40/x
  3. Step 3: Cross multiply
    14,537,415.60x = 21,782,503.80 × 12,128,216.40
  4. Step 4: Simplify right side
    14,537,415.60x = 264,182,919,820,222.34
  5. Step 5: Solve for x
    x = 264,182,919,820,222.34/14,537,415.60
  6. Step 6: Final answer
    x = 18,172,619.34

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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.