Home / 13,402,458.10-20,099,693.16-4,880,801.68

Finding the Fourth Proportional to 13,402,458.10, 20,099,693.16 and 4,880,801.68

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Solution

The fourth proportional to 13,402,458.10, 20,099,693.16 and 4,880,801.68 is: 7,319,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402,458.10 : 20,099,693.16 = 4,880,801.68 : x
  2. Step 2: Convert to fraction form
    13,402,458.10/20,099,693.16 = 4,880,801.68/x
  3. Step 3: Cross multiply
    13,402,458.10x = 20,099,693.16 × 4,880,801.68
  4. Step 4: Simplify right side
    13,402,458.10x = 98,102,616,142,812.50
  5. Step 5: Solve for x
    x = 98,102,616,142,812.50/13,402,458.10
  6. Step 6: Final answer
    x = 7,319,748.02

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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.