Home / 14,302,810.80-21,454,216.20-9,998,138.70

Finding the Fourth Proportional to 14,302,810.80, 21,454,216.20 and 9,998,138.70

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Solution

The fourth proportional to 14,302,810.80, 21,454,216.20 and 9,998,138.70 is: 14,997,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302,810.80 : 21,454,216.20 = 9,998,138.70 : x
  2. Step 2: Convert to fraction form
    14,302,810.80/21,454,216.20 = 9,998,138.70/x
  3. Step 3: Cross multiply
    14,302,810.80x = 21,454,216.20 × 9,998,138.70
  4. Step 4: Simplify right side
    14,302,810.80x = 214,502,229,267,386.91
  5. Step 5: Solve for x
    x = 214,502,229,267,386.91/14,302,810.80
  6. Step 6: Final answer
    x = 14,997,208.05

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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.