Home / 13,668,001.90-20,502,002.85-5,578,288.90

Finding the Fourth Proportional to 13,668,001.90, 20,502,002.85 and 5,578,288.90

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Solution

The fourth proportional to 13,668,001.90, 20,502,002.85 and 5,578,288.90 is: 8,367,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668,001.90 : 20,502,002.85 = 5,578,288.90 : x
  2. Step 2: Convert to fraction form
    13,668,001.90/20,502,002.85 = 5,578,288.90/x
  3. Step 3: Cross multiply
    13,668,001.90x = 20,502,002.85 × 5,578,288.90
  4. Step 4: Simplify right side
    13,668,001.90x = 114,366,094,925,923.38
  5. Step 5: Solve for x
    x = 114,366,094,925,923.38/13,668,001.90
  6. Step 6: Final answer
    x = 8,367,433.35

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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.