Home / 13,668,002.40-20,502,003.60-5,578,289.40

Finding the Fourth Proportional to 13,668,002.40, 20,502,003.60 and 5,578,289.40

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Solution

The fourth proportional to 13,668,002.40, 20,502,003.60 and 5,578,289.40 is: 8,367,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668,002.40 : 20,502,003.60 = 5,578,289.40 : x
  2. Step 2: Convert to fraction form
    13,668,002.40/20,502,003.60 = 5,578,289.40/x
  3. Step 3: Cross multiply
    13,668,002.40x = 20,502,003.60 × 5,578,289.40
  4. Step 4: Simplify right side
    13,668,002.40x = 114,366,109,360,641.86
  5. Step 5: Solve for x
    x = 114,366,109,360,641.86/13,668,002.40
  6. Step 6: Final answer
    x = 8,367,434.10

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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.