Home / 18,345,672.40-27,518,508.60-4,698,792.40

Finding the Fourth Proportional to 18,345,672.40, 27,518,508.60 and 4,698,792.40

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Solution

The fourth proportional to 18,345,672.40, 27,518,508.60 and 4,698,792.40 is: 7,048,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,672.40 : 27,518,508.60 = 4,698,792.40 : x
  2. Step 2: Convert to fraction form
    18,345,672.40/27,518,508.60 = 4,698,792.40/x
  3. Step 3: Cross multiply
    18,345,672.40x = 27,518,508.60 × 4,698,792.40
  4. Step 4: Simplify right side
    18,345,672.40x = 129,303,759,069,014.66
  5. Step 5: Solve for x
    x = 129,303,759,069,014.66/18,345,672.40
  6. Step 6: Final answer
    x = 7,048,188.60

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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.