Home / 14,520,031.80-21,780,047.70-9,985,068.60

Finding the Fourth Proportional to 14,520,031.80, 21,780,047.70 and 9,985,068.60

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Solution

The fourth proportional to 14,520,031.80, 21,780,047.70 and 9,985,068.60 is: 14,977,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,031.80 : 21,780,047.70 = 9,985,068.60 : x
  2. Step 2: Convert to fraction form
    14,520,031.80/21,780,047.70 = 9,985,068.60/x
  3. Step 3: Cross multiply
    14,520,031.80x = 21,780,047.70 × 9,985,068.60
  4. Step 4: Simplify right side
    14,520,031.80x = 217,475,270,395,772.22
  5. Step 5: Solve for x
    x = 217,475,270,395,772.22/14,520,031.80
  6. Step 6: Final answer
    x = 14,977,602.90

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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.