Home / 18,808,532.40-28,212,798.60-4,625,108.40

Finding the Fourth Proportional to 18,808,532.40, 28,212,798.60 and 4,625,108.40

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Solution

The fourth proportional to 18,808,532.40, 28,212,798.60 and 4,625,108.40 is: 6,937,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808,532.40 : 28,212,798.60 = 4,625,108.40 : x
  2. Step 2: Convert to fraction form
    18,808,532.40/28,212,798.60 = 4,625,108.40/x
  3. Step 3: Cross multiply
    18,808,532.40x = 28,212,798.60 × 4,625,108.40
  4. Step 4: Simplify right side
    18,808,532.40x = 130,487,251,792,368.25
  5. Step 5: Solve for x
    x = 130,487,251,792,368.25/18,808,532.40
  6. Step 6: Final answer
    x = 6,937,662.60

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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.