Home / 21,353,798.40-32,030,697.60-21,154,732.80

Finding the Fourth Proportional to 21,353,798.40, 32,030,697.60 and 21,154,732.80

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Solution

The fourth proportional to 21,353,798.40, 32,030,697.60 and 21,154,732.80 is: 31,732,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,798.40 : 32,030,697.60 = 21,154,732.80 : x
  2. Step 2: Convert to fraction form
    21,353,798.40/32,030,697.60 = 21,154,732.80/x
  3. Step 3: Cross multiply
    21,353,798.40x = 32,030,697.60 × 21,154,732.80
  4. Step 4: Simplify right side
    21,353,798.40x = 677,600,849,125,601.38
  5. Step 5: Solve for x
    x = 677,600,849,125,601.38/21,353,798.40
  6. Step 6: Final answer
    x = 31,732,099.20

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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.