Home / 31,080,140.10-46,620,210.15-18,986,904.90

Finding the Fourth Proportional to 31,080,140.10, 46,620,210.15 and 18,986,904.90

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Solution

The fourth proportional to 31,080,140.10, 46,620,210.15 and 18,986,904.90 is: 28,480,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,080,140.10 : 46,620,210.15 = 18,986,904.90 : x
  2. Step 2: Convert to fraction form
    31,080,140.10/46,620,210.15 = 18,986,904.90/x
  3. Step 3: Cross multiply
    31,080,140.10x = 46,620,210.15 × 18,986,904.90
  4. Step 4: Simplify right side
    31,080,140.10x = 885,173,496,536,064.62
  5. Step 5: Solve for x
    x = 885,173,496,536,064.62/31,080,140.10
  6. Step 6: Final answer
    x = 28,480,357.35

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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.