Home / 11,688,001.60-17,532,002.40-7,656,923.20

Finding the Fourth Proportional to 11,688,001.60, 17,532,002.40 and 7,656,923.20

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Solution

The fourth proportional to 11,688,001.60, 17,532,002.40 and 7,656,923.20 is: 11,485,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688,001.60 : 17,532,002.40 = 7,656,923.20 : x
  2. Step 2: Convert to fraction form
    11,688,001.60/17,532,002.40 = 7,656,923.20/x
  3. Step 3: Cross multiply
    11,688,001.60x = 17,532,002.40 × 7,656,923.20
  4. Step 4: Simplify right side
    11,688,001.60x = 134,241,195,919,015.67
  5. Step 5: Solve for x
    x = 134,241,195,919,015.67/11,688,001.60
  6. Step 6: Final answer
    x = 11,485,384.80

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1.5x scale

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.