Home / 10,781,079.60-16,171,619.40-10,001,632.80

Finding the Fourth Proportional to 10,781,079.60, 16,171,619.40 and 10,001,632.80

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Solution

The fourth proportional to 10,781,079.60, 16,171,619.40 and 10,001,632.80 is: 15,002,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,079.60 : 16,171,619.40 = 10,001,632.80 : x
  2. Step 2: Convert to fraction form
    10,781,079.60/16,171,619.40 = 10,001,632.80/x
  3. Step 3: Cross multiply
    10,781,079.60x = 16,171,619.40 × 10,001,632.80
  4. Step 4: Simplify right side
    10,781,079.60x = 161,742,599,020,156.34
  5. Step 5: Solve for x
    x = 161,742,599,020,156.34/10,781,079.60
  6. Step 6: Final answer
    x = 15,002,449.20

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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.