Home / 28,630,223.61-39,508,525.33-15,577,533.28

Finding the Fourth Proportional to 28,630,223.61, 39,508,525.33 and 15,577,533.28

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Solution

The fourth proportional to 28,630,223.61, 39,508,525.33 and 15,577,533.28 is: 21,496,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630,223.61 : 39,508,525.33 = 15,577,533.28 : x
  2. Step 2: Convert to fraction form
    28,630,223.61/39,508,525.33 = 15,577,533.28/x
  3. Step 3: Cross multiply
    28,630,223.61x = 39,508,525.33 × 15,577,533.28
  4. Step 4: Simplify right side
    28,630,223.61x = 615,445,368,171,797.88
  5. Step 5: Solve for x
    x = 615,445,368,171,797.88/28,630,223.61
  6. Step 6: Final answer
    x = 21,496,352.13

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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.