Home / 21,866,564.60-30,176,148.48-12,076,979.12

Finding the Fourth Proportional to 21,866,564.60, 30,176,148.48 and 12,076,979.12

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Solution

The fourth proportional to 21,866,564.60, 30,176,148.48 and 12,076,979.12 is: 16,666,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,866,564.60 : 30,176,148.48 = 12,076,979.12 : x
  2. Step 2: Convert to fraction form
    21,866,564.60/30,176,148.48 = 12,076,979.12/x
  3. Step 3: Cross multiply
    21,866,564.60x = 30,176,148.48 × 12,076,979.12
  4. Step 4: Simplify right side
    21,866,564.60x = 364,436,715,114,979.69
  5. Step 5: Solve for x
    x = 364,436,715,114,979.69/21,866,564.60
  6. Step 6: Final answer
    x = 16,666,390.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.