Home / 10,867,320.60-16,300,980.90-7,284,139.80

Finding the Fourth Proportional to 10,867,320.60, 16,300,980.90 and 7,284,139.80

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Solution

The fourth proportional to 10,867,320.60, 16,300,980.90 and 7,284,139.80 is: 10,926,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,320.60 : 16,300,980.90 = 7,284,139.80 : x
  2. Step 2: Convert to fraction form
    10,867,320.60/16,300,980.90 = 7,284,139.80/x
  3. Step 3: Cross multiply
    10,867,320.60x = 16,300,980.90 × 7,284,139.80
  4. Step 4: Simplify right side
    10,867,320.60x = 118,738,623,752,729.81
  5. Step 5: Solve for x
    x = 118,738,623,752,729.81/10,867,320.60
  6. Step 6: Final answer
    x = 10,926,209.70

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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.