Home / 30,569,206.60-42,185,818.74-17,516,182.96

Finding the Fourth Proportional to 30,569,206.60, 42,185,818.74 and 17,516,182.96

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Solution

The fourth proportional to 30,569,206.60, 42,185,818.74 and 17,516,182.96 is: 24,172,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569,206.60 : 42,185,818.74 = 17,516,182.96 : x
  2. Step 2: Convert to fraction form
    30,569,206.60/42,185,818.74 = 17,516,182.96/x
  3. Step 3: Cross multiply
    30,569,206.60x = 42,185,818.74 × 17,516,182.96
  4. Step 4: Simplify right side
    30,569,206.60x = 738,934,519,367,236.75
  5. Step 5: Solve for x
    x = 738,934,519,367,236.75/30,569,206.60
  6. Step 6: Final answer
    x = 24,172,512.20

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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.