Home / 20,819,962.02-28,732,445.45-11,527,532.28

Finding the Fourth Proportional to 20,819,962.02, 28,732,445.45 and 11,527,532.28

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Solution

The fourth proportional to 20,819,962.02, 28,732,445.45 and 11,527,532.28 is: 15,908,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819,962.02 : 28,732,445.45 = 11,527,532.28 : x
  2. Step 2: Convert to fraction form
    20,819,962.02/28,732,445.45 = 11,527,532.28/x
  3. Step 3: Cross multiply
    20,819,962.02x = 28,732,445.45 × 11,527,532.28
  4. Step 4: Simplify right side
    20,819,962.02x = 331,214,192,408,214.12
  5. Step 5: Solve for x
    x = 331,214,192,408,214.12/20,819,962.02
  6. Step 6: Final answer
    x = 15,908,491.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.