Home / 16,000,878-22,081,269.80-8,658,710.40

Finding the Fourth Proportional to 16,000,878, 22,081,269.80 and 8,658,710.40

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Solution

The fourth proportional to 16,000,878, 22,081,269.80 and 8,658,710.40 is: 11,949,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,000,878 : 22,081,269.80 = 8,658,710.40 : x
  2. Step 2: Convert to fraction form
    16,000,878/22,081,269.80 = 8,658,710.40/x
  3. Step 3: Cross multiply
    16,000,878x = 22,081,269.80 × 8,658,710.40
  4. Step 4: Simplify right side
    16,000,878x = 191,195,320,462,465.94
  5. Step 5: Solve for x
    x = 191,195,320,462,465.94/16,000,878
  6. Step 6: Final answer
    x = 11,949,051.82

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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.