Home / 28,023,007.20-42,034,510.80-16,685,599.20

Finding the Fourth Proportional to 28,023,007.20, 42,034,510.80 and 16,685,599.20

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Solution

The fourth proportional to 28,023,007.20, 42,034,510.80 and 16,685,599.20 is: 25,028,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,007.20 : 42,034,510.80 = 16,685,599.20 : x
  2. Step 2: Convert to fraction form
    28,023,007.20/42,034,510.80 = 16,685,599.20/x
  3. Step 3: Cross multiply
    28,023,007.20x = 42,034,510.80 × 16,685,599.20
  4. Step 4: Simplify right side
    28,023,007.20x = 701,370,999,776,871.25
  5. Step 5: Solve for x
    x = 701,370,999,776,871.25/28,023,007.20
  6. Step 6: Final answer
    x = 25,028,398.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.