Home / 30,643,310-42,288,059.48-16,892,767.28

Finding the Fourth Proportional to 30,643,310, 42,288,059.48 and 16,892,767.28

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Solution

The fourth proportional to 30,643,310, 42,288,059.48 and 16,892,767.28 is: 23,312,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,643,310 : 42,288,059.48 = 16,892,767.28 : x
  2. Step 2: Convert to fraction form
    30,643,310/42,288,059.48 = 16,892,767.28/x
  3. Step 3: Cross multiply
    30,643,310x = 42,288,059.48 × 16,892,767.28
  4. Step 4: Simplify right side
    30,643,310x = 714,362,347,518,437.75
  5. Step 5: Solve for x
    x = 714,362,347,518,437.75/30,643,310
  6. Step 6: Final answer
    x = 23,312,179.64

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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.