Home / 28,701,533.16-39,608,425.54-15,648,686.20

Finding the Fourth Proportional to 28,701,533.16, 39,608,425.54 and 15,648,686.20

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Solution

The fourth proportional to 28,701,533.16, 39,608,425.54 and 15,648,686.20 is: 21,595,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701,533.16 : 39,608,425.54 = 15,648,686.20 : x
  2. Step 2: Convert to fraction form
    28,701,533.16/39,608,425.54 = 15,648,686.20/x
  3. Step 3: Cross multiply
    28,701,533.16x = 39,608,425.54 × 15,648,686.20
  4. Step 4: Simplify right side
    28,701,533.16x = 619,819,822,151,525.50
  5. Step 5: Solve for x
    x = 619,819,822,151,525.50/28,701,533.16
  6. Step 6: Final answer
    x = 21,595,355.85

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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.