Home / 21,863,533.40-32,815,128.90-11,088,330.20

Finding the Fourth Proportional to 21,863,533.40, 32,815,128.90 and 11,088,330.20

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Solution

The fourth proportional to 21,863,533.40, 32,815,128.90 and 11,088,330.20 is: 16,642,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,533.40 : 32,815,128.90 = 11,088,330.20 : x
  2. Step 2: Convert to fraction form
    21,863,533.40/32,815,128.90 = 11,088,330.20/x
  3. Step 3: Cross multiply
    21,863,533.40x = 32,815,128.90 × 11,088,330.20
  4. Step 4: Simplify right side
    21,863,533.40x = 363,864,984,798,762.75
  5. Step 5: Solve for x
    x = 363,864,984,798,762.75/21,863,533.40
  6. Step 6: Final answer
    x = 16,642,551.69

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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.