Home / 12,316,666.12-16,996,312.50-6,809,722.60

Finding the Fourth Proportional to 12,316,666.12, 16,996,312.50 and 6,809,722.60

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Solution

The fourth proportional to 12,316,666.12, 16,996,312.50 and 6,809,722.60 is: 9,397,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,666.12 : 16,996,312.50 = 6,809,722.60 : x
  2. Step 2: Convert to fraction form
    12,316,666.12/16,996,312.50 = 6,809,722.60/x
  3. Step 3: Cross multiply
    12,316,666.12x = 16,996,312.50 × 6,809,722.60
  4. Step 4: Simplify right side
    12,316,666.12x = 115,740,173,347,912.50
  5. Step 5: Solve for x
    x = 115,740,173,347,912.50/12,316,666.12
  6. Step 6: Final answer
    x = 9,397,037.50

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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.