Home / 30,639,466.92-42,282,464.40-16,888,726.29

Finding the Fourth Proportional to 30,639,466.92, 42,282,464.40 and 16,888,726.29

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Solution

The fourth proportional to 30,639,466.92, 42,282,464.40 and 16,888,726.29 is: 23,306,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,639,466.92 : 42,282,464.40 = 16,888,726.29 : x
  2. Step 2: Convert to fraction form
    30,639,466.92/42,282,464.40 = 16,888,726.29/x
  3. Step 3: Cross multiply
    30,639,466.92x = 42,282,464.40 × 16,888,726.29
  4. Step 4: Simplify right side
    30,639,466.92x = 714,096,968,118,269
  5. Step 5: Solve for x
    x = 714,096,968,118,269/30,639,466.92
  6. Step 6: Final answer
    x = 23,306,442.31

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1.5x scale

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.