Home / 21,720,148.60-32,570,600.10-7,339,311.40

Finding the Fourth Proportional to 21,720,148.60, 32,570,600.10 and 7,339,311.40

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Solution

The fourth proportional to 21,720,148.60, 32,570,600.10 and 7,339,311.40 is: 11,005,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720,148.60 : 32,570,600.10 = 7,339,311.40 : x
  2. Step 2: Convert to fraction form
    21,720,148.60/32,570,600.10 = 7,339,311.40/x
  3. Step 3: Cross multiply
    21,720,148.60x = 32,570,600.10 × 7,339,311.40
  4. Step 4: Simplify right side
    21,720,148.60x = 239,045,776,618,771.16
  5. Step 5: Solve for x
    x = 239,045,776,618,771.16/21,720,148.60
  6. Step 6: Final answer
    x = 11,005,715.52

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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.